Dalal Simplified Chemistry Class 9 Solutions. We covered all the Dalal Simplified Chemistry Class 9 Solutions MCQs in this post for free so that you can practice well for the exam.
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Dalal Simplified Chemistry Class 9 Objective with Solutions for Students
Which of the following metals is the most reactive metal?
(a) Copper.
(b) Calcium.
(c) Iron.
(d) Zinc.
Option b – Calcium
Which of the following metals is the heaviest?
(a) Iron.
(b) Silver.
(c) Nickel.
(d) Osmium.
Option d – Osmium
Mercury is a
(a) solid metal.
(b) liquid metal.
(c) solid non-metal.
(d) liquid non-metal.
Option b – liquid metal
The rusting of an iron nail
(a) decreases its weight.
(b) increases its weight.
(c) does not affect weight but iron is oxidized.
(d) does not affect weight but iron is reduced.
Option b – increases its weight
Food cans are coated with tin but not with zinc because
(a) zinc is costlier than tin.
(b) zinc has a higher melting point than tin.
(c) zinc is more reactive than tin.
(d) tin is more reactive than zinc.
Option c – zinc is more reactive than tin
Which among the following elements comes under metalloids?
(a) Germanium.
(b) Zinc.
(c) Silver.
(d) Gold.
Option a – Germanium
Which one among the following metals is used in fireworks to make a brilliant white light?
(a) Sodium.
(b) Magnesium.
(c) Aluminium.
(d) Silver.
Option d – Silver
Which of the following is the symbol of the metal that occurs in liquid form at ordinary temperature?
(a) K.
(b) Ag.
(c) Pb.
(d) Hg.
Option d – Hg
What is deposited on iron in the process of galvanization?
(a) Copper.
(b) Zinc.
(c) Tin.
(d) Aluminium.
Option b – Zinc
We covered all the Dalal simplified chemistry class 9 solutions above in this post for free so that you can practice well for the exam.
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