Simplified Chemistry Class 8. We covered all the Simplified Chemistry Class 8 MCQs in this post for free so that you can practice well for the exam.
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Simplified Chemistry Class 8 Objective for Students
Glass is best described as a
(a) solid.
(b) liquid.
(c) supercooled liquid.
(d) colloidal sol.
Option c – supercooled liquid
Which of the following elements is the second most abundant element on the Earth’s crust and is present in nature? It is a very important component of ceramics, glass, and cement.
(a) Germanium.
(b) Silicon.
(c) Tin.
(d) Lead.
Option b – Silicon
Which one of the following is the permanent gas in the atmosphere?
(a) Carbon dioxide.
(b) Ozone.
(c) Nitrogen.
(d) Neon.
Option c – Nitrogen
The soil in which insectivorous plants grow is deficient in
(a) Magnesium.
(b) Calcium.
(c) Nitrogen.
(d) Water.
Option c – Nitrogen
Which one of the following is produced during the formation of photochemical smog?
(a) Hydrocarbons.
(b) Nitrogen oxide.
(c) Ozone.
(d) Methane.
Option b – Nitrogen oxide
The foul smell of dead fish is due to the compound
(a) Amino compounds.
(b) Aldehydic compounds.
(c) Sulfur compounds.
(d) Nitro compounds.
Option a – Amino compounds
Which among the following is a cation?
(a) Ammonium.
(b) Iodide.
(c) Fluoride.
(d) Chloride.
Option a – Ammonium
The gas that turns lime water milky is
(a) carbon dioxide.
(b) carbon monoxide.
(c) ammonia.
(d) nitrogen dioxide.
Option a – carbon dioxide
We covered all the simplified chemistry class 8 mcqs above in this post for free so that you can practice well for the exam.
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