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

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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

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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

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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

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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

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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

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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

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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

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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

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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

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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

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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

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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

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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

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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

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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

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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

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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

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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

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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

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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

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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

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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

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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

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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

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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

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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

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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

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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

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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

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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

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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

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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

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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

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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

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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

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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

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Source: This question is taken from the Everyday Science

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