The distance of a geo-stationary satellite from the centre of the earth is nearest to(where R=6400 km)
Options
(a) 5 R (b) 7 R (c) 10 R (d) 18 R
Correct Answer:
7 […]
The two ice cubes kept pressed against each other, stick to each other due to
Options
(a) intermolecular forces (b) hydrogen bonding (c) van der waal’s forces (d) none of these
Correct Answer: […]
The bond formed due to sidewise overlapping of π-orbitals is
Options
(a) π-bond (b) σ-bond (c) π and σ-bond (d) hydrogen bond
Correct Answer:
π-bond
Explanation:
No explanation available. Be the first to […]
NH₃ is added BF₃ by
Options
(a) ionic bond (b) covalent bont (c) dative bond (d) molecular bond
Correct Answer:
dative bond
Explanation:
No explanation available. Be the first to write the explanation […]
Cellulose is a
Options
(a) hexapolysaccharide (b) pentapolysaccharide (c) tripolysaccharide (d) none of these
Correct Answer:
none of these
Explanation:
No explanation available. Be the first to write the explanation for this question […]
Ethanol and dimethyl ether have same empirical formula but ethanol has higher boiling point due to
Options
(a) ionic bond (b) acidic bond (c) hydrogen bond (d) covalent bont
Correct Answer:
hydrogen bond
The presence of large amount of nitrogen in the atomosphere is due to
Options
(a) nitrogen cycle (b) nitrites (c) decomposers (d) ammonia
Correct Answer:
decomposers
Explanation:
No explanation available. Be the first […]
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