Chemistry - Mock Test 64

Question 631

Benzene is a polymer of?

A) Methane B) Acetylene C) Ethane D) Ethylene

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Question 632

The polymer used in making plastic crockery is?

A) Decron B) Nylon C) Bakelite D) Melamine

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Question 633

Which of the following has got more heat capacity?

A) Iron Piece B) Water C) Gold piece D) Benzene

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Question 634

The major combustible component of gobar (cow?

A) Methane B) Carbon dioxide C) Hydrogen D) Propane

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Question 635

Which substance is used to retard the setting action of cement?

A) CaO B) AlO C) CaSO.2HO D) NaO + KO

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Question 636

The National Chemical Laboratory is located in?

A) Mumbai B) Bengaluru C) Hyderabad D) Pune

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Question 637

Which is the only non-metal element that exists in liquid form at room temprature (25 degree Celsius) ?

A) Carbon B) Bromine C) Sulphur D) Selenium

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Question 638

What name is given to the metallurgical process used to coat steel or iron with zinc ?

A) Carbonization B) Vulcanization C) Pasteurization D) Galvanization

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Question 639

What is the scientific name of Vinegar ?

A) Citric Acid B) Acetic Acid C) Lactic Acid D) Tartaric Acid

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Question 640

What is the popular name of Magnesium Sulphate, a white crystalline salt used in medicine and in leather processing ?

A) Common salt B) Epsom salt C) Baking soda D) Caustic soda

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