Chemistry

Use the diagram to answer this question. The colour of the fountain water is?

A. blue B. orange C. red D. yellow Correct Answer: Option C - red

5 years ago

Use the diagram to answer this question. The gas that can be used to demonstrate the experiment is?

A. hydrogen chloride B. hydrogen sulphide C. nitrogen(ll) oxide D. dinitrogen (l) oxide Correct Answer: Option A - hydrogen chloride

5 years ago

Detergents are manufactured with straight hydrocarbon chains so as to make them?

A. soluble B. biodegradable C. cheaper D. foamy Correct Answer: Option B - biodegradable

5 years ago

Polyvinyl chloride is used in the production of?

A. glass B. alloy C. pipes D. ceramics Correct Answer: Option C - pipes

5 years ago

The product obtained when a mixture of benzene vapour and hydrogen are passed over nickel catalyst at 180°C is?

A. cyclohexane B. cyclopentane C. n- hexane D. n - pentane Correct Answer: Option A - cyclohexane

5 years ago

Reduction of alkanonoes with LiAlH4 produces?

A. primary alkanols B. secondary alkanols C. tertiary alkanols D. polyhydric alkanols Correct Answer: Option B - secondary alkanols

5 years ago

Reduction of nitroalkanes; nitrites and amides is a route for the preparation of?

A. amines B. alkenes C. polymers D. detergents Correct Answer: Option A - amines

5 years ago

A red precipitate of copper (I) carbide is formed when ammonium solution of copper (I) chloride is introduced into?

A. CH2 = CH - CH2 - CH3 B. CH3 CH2 - C ≡ CH C. CH3 CH2 CH2 CH3 D.…

5 years ago

A hydrocarbon X with a molar mass of 26 consists of 92.3% carbon. What is its molecular formular?

A. C2H2 B. C3H3 C. C4H4 D. C5H5 Correct Answer: Option A - C2H2 Explanation % of H2 = 100…

5 years ago

If glucose is heated with concentration tetraoxosulphate (VI) acid; it will be dehydrated to?

A. carbon B. carbon (IV) oxide C. ethene D. ethanol Correct Answer: Option A - carbon

5 years ago
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