Calcium is obtained by the
Calcium is obtained by the
Options
(a) electrolysis of solution of calcium chloride in water (b) electrolysis of molten anhydrous calcium chloride (c) roasting of limestone (d) reduction of calcium chloride with carbon
BHU2001
Siver chloride is soluble in methylamine due to the formation of
Siver chloride is soluble in methylamine due to the formation of
Options
(a) [Ag(CH₃NH₂)₂]Cl (b) Ag(CH₃NH₂)Cl (c) AgOH (d) Ag + CH₃Cl + NH₄Cl
Correct Answer:
[Ag(CH₃NH₂)₂]Cl
Explanation:
Silver chloride dissolves in methyl amine […]
The plot of concentration of the reactant vs time for a reaction is a straight
The plot of concentration of the reactant vs time for a reaction is a straight line with a negative slope. This reaction follows a
Options
(a) first order rate equation (b) zero order […]
In atom bomb, the reaction which occurs is
In atom bomb, the reaction which occurs is
Options
(a) fusion (b) controlled fission (c) uncontrolled fission (d) thermonuclear
Correct Answer:
uncontrolled fission
Explanation:
No explanation available. Be the first to write the […]
1 curie is equal to
1 curie is equal to
Options
(a) 3×10¹⁰ disintegrations/sec (b) 3.7×10⁷ disintegrations/sec (c) 5×10⁷ disintegrations/sec (d) 3.7×10¹⁰ disintegrations/sec
Correct Answer:
3.7×10¹⁰ disintegrations/sec
Explanation:
No explanation available. Be the first to write the explanation […]
Among the following sols the one which is hydrophobic is
Among the following sols the one which is hydrophobic is
Options
(a) starch (b) sulphur (c) gum (d) gelatin
Correct Answer:
sulphur
Explanation:
No explanation available. Be the first to write the explanation […]
N-terminal amino acids are identified by using
N-terminal amino acids are identified by using
Options
(a) dehydrazinolysis (b) 2,4-DNP (c) Etard’s reaction (d) Wolff Kishner reduction
Correct Answer:
2,4-DNP
Explanation:
No explanation available. Be the first to write the […]
Which among the following does not have the hydrogen bond
Which among the following does not have the hydrogen bond
Options
(a) Water (b) Liquid NH₃ (c) Phenol (d) Liquid HCl
Correct Answer:
Liquid HCl
Explanation:
Hydrogen bond is defined as, the electrostatic […]
Uniform erosion caused by running water is
Uniform erosion caused by running water is
Options
(a) sheet erosion (b) gully erosion (c) rill erosion (d) riparian erosion
Correct Answer:
sheet erosion
Explanation:
No explanation available. Be the first to write […]
Flowering in short day plant is induced by
Flowering in short day plant is induced by
Options
(a) short day and interrupted long night (b) short night (c) long day with interrupted night (d) long night
Correct Answer:
long night
Explanation: […]