Chemistry - Mock Test 35

Question 341

The enzyme in whosepresence glucose and fructose are converted into alcohol is?

A) Diastase B) Invertase C) Maltase D) Zymase

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Question 342

The soaps used in shaving cream are?

A) soft soaps B) Calcium soaps C) lead soaps D) hard soaps

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Question 343

Which of the following metal is generally used for making filaments of bulb?

A) Fe B) W C) Ag D) Rh

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Question 344

Which of the following is the strongest acid?

A) ClCH2COOH B) BrCH2COOH C) FCH2COOH D) ICH2COOH

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Question 345

What are long chains of Carbon Molecules called?

A) Polymers B) Hydrocarbons C) Ribosomes D) None of these

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Question 346

Which is the gas used for making vegetables and vanaspathi from vegetable oils?

A) Argon B) Hydrogen C) Nitrogen D) Helium

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Question 347

Ozone hole refers to?

A) Decrease in the thickness of ozone layer in Stratosphere B) Increase in thickness of ozone layer C) Decrease in the ozone layer in Troposphere D) Hole in the ozone layer

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Question 348

The pH of pure water is nearly 7.It will increase on the addition of?

A) ammonia B) cane sugar C) common salt D) hydrochloric acid

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Question 349

Nucleus of Hydrogen atom consists of?

A) 2 protons only B) 2 neutrons only C) 1 electron only D) 1 proton only

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Question 350

Which Noble Gas has the highest First Ionization Energy?

A) Neon B) Helium C) Argon D) Xenon

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