Number of teeth which grow twice are
Number of teeth which grow twice are
Options
(a) 8 (b) 14 (c) 12 (d) 20
Correct Answer:
20
Explanation:
The number of milk teeth which are replacable for the 2nd time is […]
Number of teeth which grow twice are
Options
(a) 8 (b) 14 (c) 12 (d) 20
Correct Answer:
20
Explanation:
The number of milk teeth which are replacable for the 2nd time is […]
Application of Bernoulli’s theorem can be seen in
Options
(a) Dynamic lift of aeroplane (b) Hydraulic press (c) Helicopter (d) None of these
Correct Answer:
Dynamic lift of aeroplane
Explanation:
No explanation available. Be […]
Octane number can be changed by
Options
(a) isomerisation (b) alkylation (c) cyclisation (d) all of these
Correct Answer:
all of these
Explanation:
No explanation available. Be the first to write the explanation […]
‘The addition of unsymmetrical reagents to unsymmetrical alkenes occurs in such a way that the negative part of the addendum goes to that carbon atom of the double bond which carries lesser number of hydrogen […]
Which of the following yield both alkane and alkene
Options
(a) Kolbe’s reaction (b) Williamson’s synthesis (c) Wurtz reaction (d) Sandmeyer reaction
Correct Answer:
Kolbe’s reaction
Explanation:
No explanation available. Be the first […]
Triple point of water is
Options
(a) 273 K (b) 373 K (c) 203 K (d) 193 K
Correct Answer:
273 K
Explanation:
No explanation available. Be the first to write the explanation […]
When you move from equator to pole, the value of acceleration due to gravity (g)
Options
(a) Increases (b) Decreases (c) Remains the same (d) Increases then decreases
Correct Answer:
Increases
Explanation:
g’=g-Rω². cos²λ […]
Nitrous oxide is known as
Options
(a) breathing gas (b) laughing gas (c) exercising gas (d) laboratory gas
Correct Answer:
laughing gas
Explanation:
No explanation available. Be the first to write the explanation […]
Which one of the following forms with an excess of CN⁻ (cyanide) a complex having coordination number two
Options
(a) Cu⁺ (b) Ag⁺ (c) Ni²⁺ (d) Fe²⁺
Correct Answer:
Ag⁺
Explanation:
No explanation […]
Which of the following is the buffer solution
Options
(a) CH₃COOH + CH₃COONa (b) CH₃COOH + CH₃COONH₄ (c) CH₃COOH + NH₄Cl (d) NaOH + NaCl
Correct Answer:
CH₃COOH + CH₃COONa
Explanation:
No explanation […]
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