The ratio of charge and mass would be greatest for
Options
(a) proton (b) electron (c) neutron (d) alpha
Correct Answer:
electron
Explanation:
No explanation available. Be the first to write the explanation […]
Principal quantum number of an atom is related to the
Options
(a) orbital angular momentum (b) spin angular momentum (c) size of the orbital (d) orientation of the orbital in space
Correct Answer: […]
The number of atoms in 0.004g of magnesium will be
Options
(a) 24 (b) 10²⁰ (c) 96 (d) 6.2 x 10²⁰
Correct Answer:
10²⁰
Explanation:
No explanation available. Be the first to write […]
The compound which does not exist as hydrate form
Options
(a) ferrous sulphate (b) copper sulphate (c) magnesium sulphate (d) sodium chloride
Correct Answer:
sodium chloride
Explanation:
No explanation available. Be the first […]
In the van der Waals equation, ‘a’ signifies
Options
(a) intermolecular attraction (b) intramolecular attraction (c) attraction between molecules and wall of container (d) volume of molecules
Correct Answer:
intermolecular attraction
The temperature above which a gas cannot be liquefied is called as
Options
(a) inversion temperature (b) critical temperature (c) neutral temperature (d) Curie point
Correct Answer:
critical temperature
Explanation:
Critical temperature […]
Heroin is formed from …. by acetylation
Options
(a) morphine (b) reserpine (c) cinchonine (d) none of these
Correct Answer:
morphine
Explanation:
No explanation available. Be the first to write the explanation for […]
Hexoses and pentoses are
Options
(a) disaccharides (b) monosaccharides (c) polysaccharides (d) oligosaccharides
Correct Answer:
monosaccharides
Explanation:
No explanation available. Be the first to write the explanation for this question by commenting […]
The nucleic acid base having two possible binding sites is
Options
(a) thymine (b) cytosine (c) guanine (d) adenine
Correct Answer:
guanine
Explanation:
No explanation available. Be the first to write the explanation […]
The compound obtained by heating a mixture of ethyl amine and chloroform with ethanolic potassium hydroxide (KOH) is
Options
(a) an amide (b) an amide and nitro compound (c) an ethyl isocyanide (d) […]
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