Chemistry - Mock Test 60

Question 591

Which one of the following is an element which never exhibits positive oxidation state in any of its compounds?

A) Oxygen B) Chlorine C) Fluorine D) Carbon

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Question 592

Which one of the following correctly defines the state of glass?

A) Crystalline solid B) Super cooled liquid C) Condensed gas D) Liquid crystal

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Question 593

Nail polish remover contains ?

A) Acetone B) Benzeme C) Petroleum ether D) Acetic acid

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Question 594

Vinegar is trade name of ?

A) Acetic acid B) Chloroform C) Ethyl alcohol D) Carbon tetrachloride

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Question 595

The cathode of a lead storage battery is made up of ?

A) Zinc B) Lead oxide C) Manganese dioxide D) Lead

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Question 596

When quick lime is added to water ?

A) Heat is liberated B) Heat is absorbed C) Temperature decreases D) No heat change takes place

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Question 597

The iron layered with zinc is called ?

A) Pig iron B) Cost iron C) Galvanised iron D) Steel

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Question 598

What is a mixture of potassium nitrate , powdered charcoal and sulphur called?

A) Glass B) Cement C) Paint D) Gun Powder

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Question 599

Which one of the following is used as a mordant in dyeing and tanning indusrty?

A) Magnesium oxide B) magnesium carbonate C) magnesium chloride D) magnesium sulphate

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Question 600

Which one of the following substances is made up of only one type of atoms?

A) water B) hydrogen C) milk D) air

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