Which of the following excretes nitrogenous wastes mainly as urea?
Options
(a) pigeon (b) sea horse (c) man (d) house lizard
Correct Answer:
man
Explanation:
No explanation available. Be the first to write […]
The basis of grouping of living organisms into eukaryotes and prokaryotes is
Options
(a) plasma membrane (b) ribosomes (c) nucleus (d) none of these
Correct Answer:
nucleus
Explanation:
No explanation available. Be the […]
The preparation of ethene from ethanol can be described as
Options
(a) addition (b) dehydration (c) hydrogenation (d) oxidation
Correct Answer:
dehydration
Explanation:
No explanation available. Be the first to write the […]
5 g of hydrogen peroxide is present in 56 mL of solution. The solution will correspond to
Options
(a) 10 volume (b) 20 volume (c) 30 volume (d) 1.57 volume
Correct Answer:
30 […]
Which of the following statement about the member of any one homologous series are true
Options
(a) They contain carbon and hydrogen only (b) They have the same empirical formula (c) They behave […]
Which one of the following is an appropriate method of separating benzene and aniline from their mixture
Options
(a) Decantation (b) Filtration (c) Distillation (d) Sublimation
Correct Answer:
Distillation
Explanation:
No explanation available. […]
Which of the following ions can cause coagulation of proteins
Options
(a) Ca²⁺ (b) Na²⁺ (c) Mg²⁺ (d) Ag²⁺
Correct Answer:
Na²⁺
Explanation:
No explanation available. Be the first to write the explanation […]
Which of the following statement about the member of any one homologous series are true
Options
(a) They contain carbon and hydrogen only (b) They have the same empirical formula (c) They behave […]
In the chemical reaction 2SO₂ + O₂ ⇌ 2SO₃, increasing the total pressure leads to
Options
(a) increases in the amount of SO₃ (b) increasing in the partial pressure of O₂ (c) increase […]
A molal solution is one that contains one mole of a solute in
Options
(a) 1000 g of the solvent (b) one litre of the solvent (c) one litre of the solution (d) […]
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