Retinol is the chemical name of...? Mcqs

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Retinol is the chemical name of...?

(A) Vitamin A
(B) Vitamin B

(C) Vitamin C
(D) Vitamin K

✅ Correct Answer: Vitamin A

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Source: This question is taken from the Everyday Science

💡 English word par Double-Click karein: Urdu meaning + pronunciation 🔊

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

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Source: This question is taken from the Everyday Science

💡 English word par Double-Click karein: Urdu meaning + pronunciation 🔊

Which one of the following is not a sign of chemical change...?

(A) No change in composition
(B) A release of gas

(C) Change in colour, temperature, smell
(D) Production of a new material

✅ Correct Answer: No change in composition

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Source: This question is taken from the Everyday Science

💡 English word par Double-Click karein: Urdu meaning + pronunciation 🔊

Which of the following is not a chemical reaction ...?

(A) Burning of coal
(B) Conversion of water into steam

(C) Digestion of food
(D) Burning of paper

✅ Correct Answer: Conversion of water into steam

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Source: This question is taken from the Everyday Science

💡 English word par Double-Click karein: Urdu meaning + pronunciation 🔊

A device which converts chemical energy into electrical energy is called __________...?

(A) motor
(B) generator

(C) moving-coil meter
(D) battery

✅ Correct Answer: battery

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Source: This question is taken from the Everyday Science

💡 English word par Double-Click karein: Urdu meaning + pronunciation 🔊

The chemical name of chalk is...?

(A) Sodium nitrate
(B) Zinc sulfate

(C) Sulphuric acid
(D) Calcium carbonate

✅ Correct Answer: Calcium carbonate

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Source: This question is taken from the Everyday Science

💡 English word par Double-Click karein: Urdu meaning + pronunciation 🔊

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

💡 English word par Double-Click karein: Urdu meaning + pronunciation 🔊

The chemical name of quartz is:...?

(A) Silicon Dioxide
(B) Stannous Oxide

(C) Aluminium Oxide
(D) None

✅ Correct Answer: Silicon Dioxide

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Source: This question is taken from the Everyday Science

💡 English word par Double-Click karein: Urdu meaning + pronunciation 🔊

Which one among the following is not a chemical change...?

(A) Melting of ice
(B) Burning of fuel

(C) Explosion of firework
(D) Cooking raw food

✅ Correct Answer: Melting of ice

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Source: This question is taken from the Everyday Science

💡 English word par Double-Click karein: Urdu meaning + pronunciation 🔊

The type of coordination through electrochemical signals is _______...?

(A) Nervous
(B) Chemical

(C) Mechanical
(D) All of these

✅ Correct Answer: Nervous

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Source: This question is taken from the Everyday Science

💡 English word par Double-Click karein: Urdu meaning + pronunciation 🔊

The chemical name of bauxite _______ ...?

(A) Aluminium Oxide
(B) Aluminium Chloride

(C) Aluminium Sulphite
(D) None of the above

✅ Correct Answer: Aluminium Oxide

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Source: This question is taken from the Everyday Science

💡 English word par Double-Click karein: Urdu meaning + pronunciation 🔊

The chemical name of “Acid” (Tezaab) is___________...?

(A) Sulfuric acid
(B) Sodium chloride

(C) Citric Acid
(D) None of these

✅ Correct Answer: Sulfuric acid

Comments

Source: This question is taken from the Everyday Science

💡 English word par Double-Click karein: Urdu meaning + pronunciation 🔊

What is the chemical name of vitamin E...?

(A) Calciferol
(B) Tocopherol

(C) Riboflavin
(D) Phylloquinone

✅ Correct Answer: Tocopherol

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Source: This question is taken from the Everyday Science

💡 English word par Double-Click karein: Urdu meaning + pronunciation 🔊

Total mass of the reactants and products will remain conserved during a chemical reaction, this statement is called _____...?

(A) Law of definite proportions
(B) Law of conservation of mass

(C) Law of multiple proportions
(D) Law of reciprocal proportions

✅ Correct Answer: Law of conservation of mass

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Source: This question is taken from the Everyday Science

💡 English word par Double-Click karein: Urdu meaning + pronunciation 🔊

What is the chemical name of Oil of Vitriol...?

(A) Hydrochloric Acid
(B) Sulphuric Acid

(C) Nitric Acid
(D) Muriatic Acid

✅ Correct Answer: Sulphuric Acid

Comments

Source: This question is taken from the Everyday Science

💡 English word par Double-Click karein: Urdu meaning + pronunciation 🔊

The chemical name of Laughing gas is___________...?

(A) Nitric oxide
(B) Nitrogen dioxide

(C) Nitrogen pentoxide
(D) Nitrous oxide

✅ Correct Answer: Nitrous oxide

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Source: This question is taken from the Everyday Science

💡 English word par Double-Click karein: Urdu meaning + pronunciation 🔊

Tocopherol is the chemical name of which vitamin...?

(A) vitamin C
(B) vitamin D

(C) vitamin A
(D) vitamin E

✅ Correct Answer: vitamin E

Comments

Source: This question is taken from the Everyday Science

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