Which is purified by steam distillation
Options
(a) Aniline (b) Benzoic acid (c) petroleum (d) Naphthalene
Correct Answer:
Aniline
Explanation:
Aniline is insoluble in water and possess low vapour pressure. Hence it can […]
What is the number of mols of hydrogen atoms in 3.2g of methane
Options
(a) 0.2 (b) 0.4 (c) 0.8 (d) 2
Correct Answer:
0.8
Explanation:
No explanation available. Be the first to […]
An equation is given as:SnO₂ + C → Sn + CO.Its balanced form will involve
Options
(a) C and 2CO (b) C and 3CO (c) 2C and 2CO (d) 2C and CO
Correct […]
Which of the following compounds volatilises on heating
Options
(a) ZnCl₂ (b) HgCl₂ (c) MgCl₂ (d) None of these
Correct Answer:
HgCl₂
Explanation:
No explanation available. Be the first to write the explanation […]
If 18g of water is electrolysed then volume of oxygen obtained at STP is
Options
(a) 11.2 L (b) 2.8 L (c) 22.4 L (d) 5.6 L
Correct Answer:
11.2 L
Explanation:
2H₂O(36g)→ […]
10g of hydrogen and 64g of oxygen were filled in a steel vessel and exploded.Amount of water produced in this reaction will be
Options
(a) 3 moles (b) 4 moles (c) 1 moles […]
The number of atoms in 0.004g of magnesium will be
Options
(a) 24 (b) 10²⁰ (c) 96 (d) 6.2 x 10²⁰
Correct Answer:
10²⁰
Explanation:
No explanation available. Be the first to write […]
The compound which does not exist as hydrate form
Options
(a) ferrous sulphate (b) copper sulphate (c) magnesium sulphate (d) sodium chloride
Correct Answer:
sodium chloride
Explanation:
No explanation available. Be the first […]
The equivalent mass of Fe in FeO is
Options
(a) 56 (b) 28 (c) 36 (d) 18.66
Correct Answer:
28
Explanation:
No explanation available. Be the first to write the explanation for this […]
The most suitable method of the separation of a 1:1 mixture of ortho-and para-nitrophenols is
Options
(a) filtration (b) sublimation (c) crystallisation (d) steam distillation
Correct Answer:
steam distillation
Explanation:
Steam distillation is […]
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