Chemistry Archives - Page 222 of 414

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

by Sunday | Aug 22 | Chemistry WAEC

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

Which of the following is hydrocarbons is unsaturated?

by Sunday | Aug 22 | Chemistry WAEC

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

The following statements about graphite are correct except that it?

by Sunday | Aug 22 | Chemistry WAEC

A. is used as a lubricant B. has a network structure C. contains mobile free electrons D. is a good conductor E. is an allotrope of carbon Correct Answer: Option B – contains mobile free electrons

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

by Sunday | Aug 22 | Chemistry WAEC

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

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

by Sunday | Aug 22 | Chemistry WAEC

A. there is an increase in entropy ; B. There is an increase in gaseous volume C. Carbon (lV) oxide is produced D. The oxidation number of carbon increases from 0 to +2 E. The reaction is exothermic Correct Answer: Option C – Carbon (lV) oxide is...

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

Which of the following is hydrocarbons is unsaturated?

The following statements about graphite are correct except that it?

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

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

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