Chemistry - Mock Test 41

Question 401

The purest form of iron is ?

A) wrought iron B) nickel steel C) steel D) pig iron

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Question 402

Cassiterite is the ore of _________?

A) Zinc B) Nickel C) Tin D) Platinum

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Question 403

What is the chemical name of Vitamin E?

A) Calciferol B) Tocopherol C) Thiamine D) Pyridoxin

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Question 404

The chemical name of ‘oil of vitriol’ is?

A) Phosphoric acid B) Nitric acid C) Sulphuric acid D) Hydrochloric acid

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Question 405

What is the chemical name of Vitamin A?

A) Folic acid B) Calciferol C) Retinol D) Thymine

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Question 406

A burning matchstick is brought in contact with hydrogen gas ?

A) The matchstick continues to burn brilliantly B) The matchstick continues to bur t silently with pale blue flame C) Matchstick extinguishes and the gas burns with a ‘pop’ sound D) None of the above

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Question 407

Which of the following is the best fuel in terms of energy released per gram of fuel?

A) Hydrogen B) Methane C) Ethanol D) Butane

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Question 408

Spirit in contact with body gives cool sensation because it is ?

A) Liquid B) transparent C) Highly volatile D) A good conductor

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Question 409

The element phosphorus makes what part of human weight ?

A) 10% B) 0.50% C) 0.10% D) 1%

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Question 410

Which amongst the following is not a Cation?

A) Aluminium ion B) Copper ion C) Sulphate ion D) Zinc ion

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