Pradeep Chemistry Class 10. We covered all the Pradeep Chemistry Class 10 MCQs in this post for free so that you can practice well for the exam.
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Pradeep Chemistry Objective for Class 10 Students
A piece of ice, 100 g in mass is kept at 0°C. The amount of heat it requires to melt at 0°C is (take latent heat of melting of ice to be 333.6 J/g):
(a) 750.6 J.
(b) 83.4 J.
(c) 33360 J.
(d) 3.336 J.
Option c – 33360 J
Which one of the following hormones is essential for the uptake of glucose by cells in the human body?
(a) GH.
(b) TSH.
(c) Insulin.
(d) Cortisol.
Option c – Insulin
Which one of the following statements is correct?
(a) The oxidation number for hydrogen is always zero.
(b) The oxidation number for hydrogen is always +1.
(c) The oxidation number for hydrogen is always -1.
(d) Hydrogen can have more than one oxidation number.
Option d – Hydrogen can have more than one oxidation number
Methyl Isocyanate gas, which was involved in the disaster in Bhopal in December 1984, was used in the Union Carbide factory for the production of:
(a) Dyes.
(b) Detergents.
(c) Explosives.
(d) Pesticides.
Option d – Pesticides
‘German silver’ is used to make decorative articles, coinage metal, ornaments, etc. The name is given because:
(a) It is an alloy of copper and contains silver as one of its components.
(b) Germans were the first to use silver.
(c) Its appearance is like silver.
(d) It is an alloy of silver.
Option c – Its appearance is like silver
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