The turbidity of a polymer solution measures the
Options
(a) light absorbed by the solution (b) light transmitted by the solution (c) light scattered by the solution (d) all of these
Correct Answer: […]
How much copper is supposed to be deposited when a current of 0.75 amperes passes through a copper sulphate solution for 25 minutes
Options
(a) 0.34 g (b) 0.33 g (c) 0.35 g […]
Molten NaCl results in conduction because of
Options
(a) free electrons (b) ions (c) molecules (d) anions
Correct Answer:
ions
Explanation:
No explanation available. Be the first to write the explanation for this […]
A solid compound XY has NaCl structure . If the radius of the cation is 100 pm, the radius of the anion (Y⁻) will be
Options
(a) 275.1 pm (b) 322.5 pm (c) […]
Which of the following is not a ferromagnetic substance
Options
(a) Cobalt (b) Nickel (c) Manganese (d) Iron
Correct Answer:
Manganese
Explanation:
Fe, Co, Ni are ferromagnetic subtances since they show permanent magnetism […]
In the commercial gasolines, the type of hydrocarbons which are more desirable is
Options
(a) linear unsaturated hydrocarbon (b) branched hydrocarbon (c) toluene (d) straight-chain hydrocarbon
Correct Answer:
branched hydrocarbon
Explanation:
knocking property […]
The first fractional product of petroleum from top to bottom is
Options
(a) diesel (b) petrol (c) petroleum ether (d) kerosene
Correct Answer:
petroleum ether
Explanation:
Order of fractional distillation of petroleum is […]
Violet coloured complex obtained in the detection of Sulphur is
Options
(a) Na₂[Fe(NO)(CN)₅] (b) Na₃[Fe(ONSNa)(CN)₅] (c) Na₄[Fe(CN)₅NOS] (d) both (Na₃[Fe(ONSNa)(CN)₅)] and (Na₄[Fe(CN)₅NOS])
Correct Answer:
both (Na₃[Fe(ONSNa)(CN)₅]) and (Na₄[Fe(CN)₅NOS])
Explanation:
No explanation available. Be […]
Which of the following is the IUPAC name of the compound
Options
(a) 4-methyle-2-hexanol (b) 4-methyl-3-hexanol (c) 2-methyl-3-hexanol (d) 3-methyl-4-hexanol
Correct Answer:
4-methyle-2-hexanol
Explanation:
No explanation available. Be the first to write the […]
One mole of magnesium nitride on reaction with excess of water gives
Options
(a) 1 mole of ammonia (b) 1 mole of nitric acid (c) 2 mole of nitric acid (d) 2 mole […]
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