Dalal ICSE Chemistry Class 10 Solutions. We covered all the Dalal ICSE Chemistry Class 10 Solutions in this post for free so that you can practice well for the exam.
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Dalal ICSE Chemistry Class 10 Objective with Solutions for Students
Which one of the following pairs of metals constitutes the lightest metal and the heaviest densest metal, respectively?
(a) Lithium and Mercury.
(b) Lithium and Osmium.
(c) Aluminium and Mercury.
(d) Aluminium and Osmium.
Option b – Lithium and Osmium
Corundum and Cryolite are important ores of which of the following metals?
(a) Silver.
(b) Iron.
(c) Aluminium.
(d) Tin.
Option c – Aluminium
Which of the following statements is correct?
(a) Gold and silver are not ductile.
(b) Phosphorus and nitrogen are ductile.
(c) Copper and platinum are ductile.
(d) Sulphur and phosphorus are sonorous.
Option c – Copper and platinum are ductile
Which one of the following colors is supplied by Sodium Chromate?
(a) Blue.
(b) Red.
(c) Green.
(d) Black.
Option b – Red
Which metal is generally used for coating brass utensils to prevent copper contamination?
(a) Tin.
(b) Zinc.
(c) Aluminium.
(d) Lead.
Option a – Tin
Which of the following metals remains in liquid form at room temperature?
(a) Cadmium.
(b) Mercury.
(c) Germanium.
(d) Tin.
Option b – Mercury
Which of the following reacts with water at a high rate?
(a) Li.
(b) K.
(c) Na.
(d) Rb.
Option d – Rb
Zinc is used to protect iron from corrosion because zinc is
(a) more electropositive than iron.
(b) cheaper than iron.
(c) a bluish-white metal
(d) a good conductor of heat and electricity.
Option a – more electropositive than iron
Which is used in storage batteries?
(a) Cu.
(b) Lead.
(c) Tin.
(d) Zinc.
Option c – Lead
We covered all the Dalal icse chemistry class 10 solutions above in this post for free so that you can practice well for the exam.
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