A mixture containing benzene and chlorobenzene is seperated by
Options
(a) crystallization (b) sublimation (c) distillation (d) separating funnel
Correct Answer:
distillation
Explanation:
No explanation available. Be the first to write the explanation […]
Which of the following carbonates is the most stable?
Options
(a) MgCO₃ (b) CaCO₃ (c) SrCO₃ (d) BaCO₃
Correct Answer:
BaCO₃
Explanation:
No explanation available. Be the first to write the explanation for […]
Which of the following has a higher rate of reaction with water
Options
(a) Na (b) Li (c) Rb (d) K
Correct Answer:
Li
Explanation:
No explanation available. Be the first to write […]
Oxidation state of sulphur in S₈, H₂S and S₂F₂ is
Options
(a) 0, -2, -1 (b) 0, 2, -1 (c) 1, -2, 1 (d) 0, -2, 1
Correct Answer:
0, -2, 1
Explanation: […]
Oxidation number of carbon in CH₂Cl₂ is
Options
(a) 0 (b) 2 (c) 3 (d) 5
Correct Answer:
0
Explanation:
No explanation available. Be the first to write the explanation for this question […]
The pH value of 10⁻⁸ M HCl is
Options
(a) more than 7 (b) less than 7 (c) equal to 7 (d) more than or equal to 7
Correct Answer:
less than 7
The solubility product of a sparingly soluble salt AB at room temperature is 1.21 x 10⁻⁶.Its molar solubility is
Options
(a) 1.1x 10⁻³ mol L⁻¹ (b) 1.21 x 10⁻⁶ mol L⁻¹ (c) 1.01 […]
Among these intensive property is
Options
(a) mass (b) volume (c) surface tension (d) enthalpy
Correct Answer:
surface tension
Explanation:
No explanation available. Be the first to write the explanation for this […]
At equilibrium, the value of change in Gibb’s free energy (ΔG) is
Options
(a) zero (b) positive (c) negative (d) either positive or negative
Correct Answer:
zero
Explanation:
No explanation available. Be the […]
R.Q. (respiratory quotient) is less than 1 in
Options
(a) fructose (b) fat (c) organic acid (d) glucose
Correct Answer:
fat
Explanation:
No explanation available. Be the first to write the explanation for […]
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