(a) 34
2. Gram equivalent of an element is the number of g. of it which will combine with
(a) 20 g. of Ca (b) 7g. of N
(c) 16 g. of O, (d) 96g. of sulphate ion
3. The equivalent mass of an element is always :
(a) Its atomic mass multiplied by valency.
(b) One half of its molecular mass.
(c) The mass of 22.4 litre of gas at STP.
(d) Mass of the element that combines with 8 parts by mass of oxygen.
4. 'a' gram of an element burns in oxygen to give 'b'gram of its oxide. The equivalent
mass of the element is :
b-a
8 a
a
8b
(a)
(b)
8(b-a)
8
(b-a)
(d)
b-a
5. 74.5 g. of a metal chloride contain 25.5 g. of chlorine. The equivalent mass of the
metal is :
(a) 113.5
(b) 78
(c) 39.0
(d) 19.5
5. The equivalent mass of H,PO, in the following reaction equal to :
H2PO4 + Ca (OH), → CaHPO4 + 2H2O
(a) 98
(b) 49
(c) 32.66
(d) 40
-. One part by weight of hydrogen is equivalent to :
(a) 18 parts by weight of water. (b) 8 parts by weight of silver.
(C) 108 parts by weight of silver. (d) 16 parts by weight of oxygen.
One gram equivalent of a substance is the mass of the substance which is
equivalent to :
(a) 0.25 mole of o, (b) 0.50 mole of O, (c) 0.75 mole of O, (d) 1.00 mole of O,
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