Chemistry

Which type of reaction is illustrated by the following equation? C12H26 → 5C2H4 + C2H6?

C12H26 → 5C2H4 + C2H6 A. Addition B. Cracking C. Hydrogenation D. Polymerization Correct Answer: Option B B. Cracking

6 years ago

Which of the following compounds determines the octane rating of petrol?

A. 1,2,3 - trimethyl pentane B. 2,3,5 - trimethyl octane C. 2,3,5 - trimethyl pentane D. 2,2,4 - trimethyl pentane…

6 years ago

Ethene molecules can be added to one another to form a long chain compound called a?

A. dimer B. monomer C. polymer D. trimer Correct Answer: Option C C. polymer

6 years ago

Reduction is the process of?

A. loss of electron B. loss of hydrogen C. loss of oxygen D. addition of electronegative elements Correct Answer: Option…

6 years ago

The reaction that occurs all the anode when CuSO4(aq) is electrolyzed using carbon electrode is?

A. 2H - (aq) + 2e → H 2(g) B. Cu2+ (aq) + 2e → Cu (s) C. 4OH (aq)…

6 years ago

Which of the following factors would affect the equilibrium constant?

A. Concentration B. Temperature C. Pressure D. Volume Correct Answer: Option B B. Temperature Explanation Equilibrium constants aren't changed if…

6 years ago

Which of the following salts on hydrolysis would give an alkaline solution?

A. NH4CI(s) B. AICI3(s) C. CH3COONa(s) D. NH4NO3(s) Correct Answer: Option C C. CH3COONa(s)

6 years ago

The gases produced when Cu(NO3)2(s) was heated are?

Cu(NO3)2(s) A. NO and NO2 B. O2 and NO C. NO2 and N2O4 D. O2 and NO2 Correct Answer: Option…

6 years ago

Which of the following substances with the corresponding pH value is an alkali?

Substance pH A. Lime 2.4 B. Banana 4.6 C. Distilled water 7.0 D. Milk of magnesia 10.5 Correct Answer: Option…

6 years ago

Zinc oxide is said to be amphoteric because it?

A. forms an acid salt B. is an insoluble base C. forms a double salt D. reacts with a base…

6 years ago