Which of the following alcohol is least soluble in water
Options
(a) CH₃OH (b) C₄H₉OH (c) C₃H₇OH (d) C₁₀H₂₁OH
Correct Answer:
C₁₀H₂₁OH
Explanation:
The solubility of an alcohol decreases with the increase of […]
In Young’s double silt experiment if the distance between the two slits is made half, then the fringe width will become
Options
(a) Half (b) Double (c) One fourth (d) Unchanged
Correct Answer: […]
A capacitor of 10 µF charged upto 250 volt is connected in parallel with another capacitor of 5 µF charged upto 100 volt. The common potential is
Options
(a) 500 V (b) 400 […]
The drift velocity of free electrons in a conductor is v, when a current I is flowing in it. If both, the radius and the current is doubled, then drift velocity will be
Options […]
If the manufacture of bromine from sea water, the mother liquor containing bromides is treated with
Options
(a) CO ₂ (b) I₂ (c) Cl₂ (d) H₂O
Correct Answer:
Cl₂
Explanation:
No explanation available. […]
The compounds CHCl₃ and HF lead to the formation of a compound of fluorine of molecular weight 70.The compound is
Options
(a) fluoroform (b) fluoric monoxide (c) fluoride dioxide (d) fluoro methanol
Correct […]
The oxidation state of nitrogen is highest in
Options
(a) N₃H (b) NH₃ (c) N₂H₄ (d) NH₂OH
Correct Answer:
N₃H
Explanation:
No explanation available. Be the first to write the explanation for this […]
Drones in a colony of honey bee originate by
Options
(a) thelotoky (b) cyclic parthenogenesis (c) arrhenotoky (d) diploid parthenogenesis
Correct Answer:
arrhenotoky
Explanation:
No explanation available. Be the first to write the […]
Which of the following fruits are found in the family ranunculaceae?
Options
(a) berry (b) achenes (c) capsule (d) all of these
Correct Answer:
all of these
Explanation:
No explanation available. Be the […]
Which of the following plant hormones reduces transpiration rate by inducing stomatal closure?
Options
(a) ABA (b) cytokinin (c) ethylene (d) gibberellin
Correct Answer:
ABA
Explanation:
No explanation available. Be the first to […]
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