HgI₂ reacts KI in aqueous solution to form K₂HgI₄.If small amount of HgI₂ is added to the aqueous KI solution, the
Options
(a) boiling point of the solution does not change (b) freezing […]
Sulphur ion is
Options
(a) square planar (b) pyramidal (c) rhombic (d) tetrahedral
Correct Answer:
tetrahedral
Explanation:
No explanation available. Be the first to write the explanation for this question by commenting […]
Number of chloride ions around a single sodium ion in NaCl crystal is
Options
(a) 3 (b) 4 (c) 6 (d) 8
Correct Answer:
6
Explanation:
No explanation available. Be the first to […]
1-bromopropane on treatment with ethanolic potassium hydroxide produces
Options
(a) propane (b) 1-propanol (c) 2-propanol (d) 1-propene
Correct Answer:
1-propene
Explanation:
No explanation available. Be the first to write the explanation for this […]
CH₃CH₂CONH₂ on treatment with P₂O₅ yields
Options
(a) Acetone (b) carboxylic acid (c) nitrile (d) isonitrile
Correct Answer:
nitrile
Explanation:
No explanation available. Be the first to write the explanation for this question […]
Which of the following basic processes affect the Hardy Weinberg equilibrium?
Options
(a) mutation and recombination (b) gene migration and genetic drift (c) natural selection (d) all of the above
Correct Answer:
all […]
Under the umbrella of social forestry a system has been launched in which agriculture and forestry are involved. Select the name of the system.
Options
(a) block cutting system (b) jhum cultivation system […]
A gene mutation which does not result in phenotypic expression is termed as
Options
(a) nonsense mutation (b) silent mutation (c) missense mutation (d) frame shift mutation
Correct Answer:
silent mutation
Explanation:
No […]
Excessive pulling of ligaments between two bones causes
Options
(a) fracture of the bones (b) sprain (c) breakage of the muscles (d) fracture of the bones & sprain & breakage of the muscles
Imbalance of certain hormones, deficiencies of calcium and vitamin D are the major causative factors of
Options
(a) rheumatoid arthritis (b) osteoporosis (c) osteoarthritis (d) gouty arthritis
Correct Answer:
osteoporosis
Explanation:
No explanation […]
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