Which substance is the most alkaline...? Mcqs

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Which substance is the most alkaline...?

(A) Milk
(B) Blood

(C) Ammonia
(D) Organic juice

✅ Correct Answer: Ammonia

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Source: This question is taken from the Everyday Science

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Which of the following substances contain disease producing pathogens in the weakened form...?

(A) Vaccines
(B) Antibiotics

(C) Antibodies
(D) Plasmids

✅ Correct Answer: Vaccines

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Source: This question is taken from the Everyday Science

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What is the substance that causes undesirable change to the environment...?

(A) Climate Change
(B) Pollution

(C) Pollutant
(D) None

✅ Correct Answer: Pollutant

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Source: This question is taken from the Everyday Science

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Which of the following occurs when light passes through a substance unchanged...?

(A) Transmission
(B) Reflection

(C) Absorption
(D) Refraction

✅ Correct Answer: Transmission

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Source: This question is taken from the Everyday Science

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Fertilizers are substances containing chemical elements such as manure or mixture of ______...?

(A) Lipids
(B) Carbohydrates

(C) Nitrates
(D) Proteins

✅ Correct Answer: Nitrates

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Source: This question is taken from the Everyday Science

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When a substance is dissolved in a liquid and no new substance is formed. What will these substances are called...?

(A) Solute
(B) Solution

(C) Compound
(D) None

✅ Correct Answer: Solution

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Source: This question is taken from the Everyday Science

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What is the name of the substance that dissolves the substance...?

(A) Solute
(B) Solvent

(C) Solution
(D) Mixture

✅ Correct Answer: Solvent

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Source: This question is taken from the Everyday Science

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A change in physical appearance or state of a substance is called ____...?

(A) Chemical Change
(B) Physical Change

(C) Nuclear Change
(D) Biological Change

✅ Correct Answer: Physical Change

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Source: This question is taken from the Everyday Science

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Which cell component is a jelly-like substance that contains many chemicals and facilitates chemical reactions...?

(A) Nucleus
(B) Cell Wall

(C) Cytoplasm
(D) Cell Membrane

✅ Correct Answer: Cytoplasm

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Source: This question is taken from the Everyday Science

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Which of the following would be most useful in testing if a substance is either an acid or a base...?

(A) pH indicator strips
(B) Acid-base indicator

(C) Litmus paper
(D) Filter paper

✅ Correct Answer: Litmus paper

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Source: This question is taken from the Everyday Science

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The solubility of a solute substance increases _____...?

(A) As the liquid cools down
(B) As the liquid becomes more concentrated

(C) As the liquid heats up
(D) As the liquid becomes more diluted

✅ Correct Answer: As the liquid heats up

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Source: This question is taken from the Everyday Science

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A substance that can donate a pair of electron to form coordinate covalent bond...?

(A) Lewis acid
(B) Lewis base

(C) Bronsted—Lowery acid
(D) Bronsted-Lowery base

✅ Correct Answer: Lewis base

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Source: This question is taken from the Everyday Science

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What is the large organelle that fills with cell sap and contains water and dissolved substances like sugar and salt...?

(A) Nucleus
(B) Mitochondria

(C) Large Vacuole
(D) Golgi Apparatus

✅ Correct Answer: Large Vacuole

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Source: This question is taken from the Everyday Science

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A single compound breaks down to form two or more simpler substances are called...?

(A) Combination Reaction
(B) Decomposition Reaction

(C) Neutralization Reaction
(D) Addition Reaction

✅ Correct Answer: Decomposition Reaction

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Source: This question is taken from the Everyday Science

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Which substance has a pH value closest to neutral...?

(A) Ammonia
(B) Blood

(C) Milk
(D) Organic juice

✅ Correct Answer: Blood

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Source: This question is taken from the Everyday Science

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Which is the hardest substance in the human body...?

(A) Tooth enamel
(B) Skull

(C) Knee cap
(D) Rib

✅ Correct Answer: Tooth enamel

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Source: This question is taken from the Everyday Science

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Which lists the substances from least to most acidic...?

(A) Blood, milk, ammonia, orange juice
(B) Blood, ammonia, milk, orange juice

(C) Milk, blood, orange juice, ammonia
(D) Ammonia, blood, milk, orange juice

✅ Correct Answer: Ammonia, blood, milk, orange juice

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Source: This question is taken from the Everyday Science

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A substance which increases the efficiency of a catalyst is termed as:...?

(A) Promoter
(B) Activator

(C) Retarder
(D) Super catalyst

✅ Correct Answer: Promoter

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Source: This question is taken from the Everyday Science

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Substance used in match sticks ...?

(A) Sulphur
(B) Zinc

(C) Acid
(D) Phosphorus

✅ Correct Answer: Phosphorus

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Source: This question is taken from the Everyday Science

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The process of vaporizing a solid substance and condensing the vapours to form the solid directly is known as...?

(A) Distillation
(B) Sublimation

(C) Filtration
(D) Crystallization

✅ Correct Answer: Sublimation

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Source: This question is taken from the Everyday Science

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The amount of heat needed to convert a substance from liquid to gas is called...?

(A) Heat of vaporization
(B) Specific heat

(C) Latent heat of fusion
(D) All

✅ Correct Answer: Heat of vaporization

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Source: This question is taken from the Everyday Science

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A reaction in which a new single compound is formed by the union of two or more substances is known as...?

(A) Decomposition Reaction
(B) Oxidation Reaction

(C) Addition Reaction
(D) Neutralization

✅ Correct Answer: Addition Reaction

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Source: This question is taken from the Everyday Science

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Among the following, which substance is not a compound...?

(A) H2O
(B) Mg

(C) CO2
(D) NaCl

✅ Correct Answer: Mg

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Source: This question is taken from the Everyday Science

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Which substance expands the most; for the same rise in temperature...?

(A) Water
(B) Air

(C) Copper
(D) Class

✅ Correct Answer: Air

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Source: This question is taken from the Everyday Science

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The smallest particle of any substance having all properties of that molecules is called...?

(A) An atom
(B) A molecule

(C) A compound
(D) An element

✅ Correct Answer: An atom

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Source: This question is taken from the Everyday Science

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What is the name of the substance which gets dissolved...?

(A) Solute
(B) Solvent

(C) Solution
(D) Mixture

✅ Correct Answer: Solute

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Source: This question is taken from the Everyday Science

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The substance that are added in the soil to make up any deficiency of nutrients are called...?

(A) Pesticides
(B) Herbicides

(C) Manure
(D) Fertilizers

✅ Correct Answer: Fertilizers

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Source: This question is taken from the Everyday Science

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Some substances are good conductor of electricity in both the solid and liquid states. These substances are generally______________...?

(A) ionic substances
(B) metallic substances

(C) molecular solids
(D) covalent network solids

✅ Correct Answer: metallic substances

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Source: This question is taken from the Everyday Science

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Substances that react with both acids and bases are called...?

(A) Conjugate acids
(B) Conjugate bases

(C) Amphoteric substances
(D) Buffers

✅ Correct Answer: Amphoteric substances

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Source: This question is taken from the Everyday Science

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The soapy touching property of substance are known as ____...?

(A) Acids
(B) Bases

(C) Salts
(D) Oxides

✅ Correct Answer: Bases

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Source: This question is taken from the Everyday Science

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The most densest substance on the Earth is __________....?

(A) Platinum
(B) Copper

(C) Steel
(D) Osmium

✅ Correct Answer: Osmium

Comments

Source: This question is taken from the Everyday Science

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A change that alters the composition of a substances is known as ____...?

(A) Physical Change
(B) Nuclear Change

(C) Chemical Change
(D) Biological Change

✅ Correct Answer: Chemical Change

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Source: This question is taken from the Everyday Science

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MMR vaccines are given to children to develop resistance against ____...?

(A) Malaria
(B) TB

(C) Measles
(D) Hepatitis

✅ Correct Answer: Measles

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Source: This question is taken from the Everyday Science

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Which of the following are made up of two or more substances that are not chemically combined...?

(A) Compounds
(B) Elements

(C) Solutions
(D) Mixtures

✅ Correct Answer: Mixtures

Comments

Source: This question is taken from the Everyday Science

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A thin partially permeable layer around the animal cell which control the substances that enter and exist is called...?

(A) Cell Wall
(B) Cell Membrane

(C) Cytoplasm
(D) Nucleus

✅ Correct Answer: Cell Membrane

Comments

Source: This question is taken from the Everyday Science

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Chlorophyll is a green substance that is present in _____...?

(A) Mitochondria
(B) Nucleus

(C) Chloroplast
(D) Golgi Apparatus

✅ Correct Answer: Chloroplast

Comments

Source: This question is taken from the Everyday Science

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All of the following substances are crystalline except_____________...?

(A) Ice
(B) Diamond

(C) Sucrose
(D) Plastic

✅ Correct Answer: Plastic

Comments

Source: This question is taken from the Everyday Science

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