Which of the following statements is NOT correct of group VII elements? They

5 years ago

A. are diatomic B. are good oxidizing agents C. are highly electronegative D. have high electron affinity E. have relatively…

Which of the following is NOT a fraction of petroleum?

5 years ago

A. Bitumen B. Coal C. Diesel D. Kerosene E. Petrol Correct Answer: Option B - Coal

The scientist who discovered the zig-zag movement of gas molecules is?

5 years ago

A. Brownian B. Dalton C. Gay Lussac D. Graham E. Newton Correct Answer: Option A - Brownian

The following compounds decolourize acidified potassium tetraoxomanganate (VII) solution except?

5 years ago

A. HOCH2 – CH2OH B. H2C –C =C– CH3 C. H3C – HC = CH2 D. H2C = CH2 E. H3C…

The percentage composition of a hydrocarbon is 79.2 carbon 20.8 hydrogen. Calculate its empirical formula [H = 1, C = 12]

5 years ago

A. CH B. CH3 C. CH4 D. C2H2 E. C2H6 Correct Answer: Option B - CH3 Explanation Relative No of…

Which of the following equations is NOT balanced?

5 years ago

A. CH4(g) + 2O2(g) → CO2(g) + 2H2O(g) B. CU(S) + HNO3(aq) → Cu(NO3)2(aq) + 4H2O(I) + NO(g) C. 2KCIO3(s)…

Compound with the general formula CnH2n2 belong to the_______ group

5 years ago

A. alkanal B. alkane C. alkanoate D. alkene E. alkyne Correct Answer: Option E - alkyne

The process involved in the decomposition of sugar by an enzyme is called?

5 years ago

A. dehydration B. esterification C. fermentation D. polymerization E. saponification Correct Answer: Option C = fermentation

A colourless gas with characteristics odour which dissolves in water to form an alkaline solution is?

5 years ago

A. ammonia B. carbon(IV)oxide C. hydrogen chloride D. sulphur (IV) oxide E. sulphur (VI) oxide Correct Answer: Option A -…

10 Simple Steps On How To Improve Your Mathematics

5 years ago

Obviously, mathematics is a nightmare and of a big concern to many students while handful numbers of them have flair…