Chemistry

Which of the following is an alloy of mercury?

A. Stainless steel B. Soft solder C. Coinage bronze D. Amalgam E. Duralumin Correct Answer: Option D - Amalgam

5 years ago

The following alkanols will yield alkanoic acids on reacting with excess acidified K2Cr2O7 except?

A. CH3CH2OH B. (CH3)2CHCH2OH C. (CH3)3CCH2OH D. (CH3)3COH E. CH3CH2CH2CH2OH Correct Answer: Option D - (CH3)3COH

5 years ago

In which of the following processes are larger molecules broken down into smaller molecules?

A. Vulcanization of rubber B. Hydrogenation of palm oil C. Hydrolysis of starch D. Polymerization E. Esterification Correct Answer: Option…

5 years ago

The gas produced when a mixture of sodium propanoate and soda lime is heated is?

A. methane B. pentane C. ethane D. butene E. ethyne Correct Answer: Option C - ethane

5 years ago

Fructose and glucose are classified as carbohydrates because they?

A. are crystalline white solids B. are energy-giving substances C. are naturally occurring organic compounds D. contains carbon oxygen and…

5 years ago

The following can be obtained directly from the destructive distillation of coal except?

A. ammoniacal liquor B. coke C. producer gas D. coal gas E. coal tar Correct Answer: Option C - producer…

5 years ago

Which of the following is hydrocarbons is unsaturated?

A. Ethane B. Benzene C. Propane D. 2 - methylbutane E. 2,2,4-trimethylpentane Correct Answer: Option B - Benzene

5 years ago

The following statements about graphite are correct except that it?

A. is used as a lubricant B. has a network structure C. contains mobile free electrons D. is a good…

5 years ago

H3O+(aq) + OH-(aq) → 2H2O(l). The heat change accompanying the process represented by the equation above is the heat of

A. neutralization B. formation C. solution D. dilution E. hydration Correct Answer: Option A - neutralization

5 years ago

Which of the following is not correct of the reaction represented by the equation below? 2C(s) + O2(g) → 2CO(g); ∆H = – xKJ?

A. there is an increase in entropy ; B. There is an increase in gaseous volume C. Carbon (lV) oxide…

5 years ago