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In order to electroplate spoon with silver; the arrangement of the electrolytic cell is?

A. the anode is a silver rod and the cathode is the spoon B. the anode is the spoon and…

3 years ago

Crude petroleum is converted to useful products by the processes of?

A. fractional crystallization B. fractional distillation C. filtration D. chromatography Correct Answer: Option B - fractional distillation Explanation A process…

3 years ago

An organic compound which decolorizes bromine water is likely to be?

A. C3H8 B. C2H6 C. C4H10 D. C2H4 Correct Answer: Option D - C2H4 Explanation If you shake an alkene…

3 years ago

A coloured gas that is known to be poisonous and can readily damage the mucous lining of the lungs is?

A. hydrogen sulphide B. carbon(ii)oxide C. chlorine D. sulphur(iv)oxide Correct Answer: Option B - carbon(ii)oxide Explanation When too much carbon…

3 years ago

An organic functional group which can likely decolourize ammoniacal silver nitrate is?

A. alkene B. alkane C. alkyne D. alkanol Correct Answer: Option C - alkyne Explanation Terminal alkynes react with Tollens…

3 years ago

N2O4 ⇔ 2NO2 (Δ = -ve): From this reaction; which of these conditions would produce the highest equilibrium yield for N2O4?

A. Low temperature and high pressure B. Low temperature and low pressure C. high temperature and low pressure D. high…

3 years ago

An organic compound with fishy smell is likely to have a general formula?

A. RCONHR1 A. RCONH2 C. RNH2 D. RCOR1 Correct Answer: Option C - RNH2 Explanation Amines possess a characteristic ammonia…

3 years ago

Using the metal activity series; the metal that can liberate hydrogen gas from steam is?

A. iron B. copper C. tin D. lead Correct Answer: Option A - iron

3 years ago

Addition of charcoal to the filter bed of sand during water treatment for township supply is to?

A. prevent goiter B. prevent tooth decay C. remove odour D. kill germs Correct Answer: Option C - remove odour…

3 years ago

On the basis of the electrochemical series; which of these ions will show the greater tendency to be discharged at the cathode in an electrolytic cell?

A. cu2+ B. sn2+ C. fe2+ D. zn2+ Correct Answer: Option A - cu2+ Explanation The arrangement of elements in…

3 years ago
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