MEDIUM
10th CBSE
IMPORTANT
Earn 100

How is that ionic compounds in the solid state do not conduct electricity, and they do so when in the molten state?

Important Questions on Metals and Non-Metals

MEDIUM
10th CBSE
IMPORTANT
MODERN'S ABC+ OF SCIENCE CHEMISTRY>Chapter 3 - Metals and Non-Metals>TEST YOURSELF>Q 11
Name the solvent in which ionic compounds are generally soluble.(water/alcohol)
MEDIUM
10th CBSE
IMPORTANT
MODERN'S ABC+ OF SCIENCE CHEMISTRY>Chapter 3 - Metals and Non-Metals>TEST YOURSELF>Q 12

Zinc granules are placed in each of the four solutions A, B, C and D as shown. Colour change would be observed in.
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MEDIUM
10th CBSE
IMPORTANT
MODERN'S ABC+ OF SCIENCE CHEMISTRY>Chapter 3 - Metals and Non-Metals>TEST YOURSELF>Q 13
Which of the following reaction does not occur:
MEDIUM
10th CBSE
IMPORTANT
MODERN'S ABC+ OF SCIENCE CHEMISTRY>Chapter 3 - Metals and Non-Metals>TEST YOURSELF>Q 14
Ferrous sulphate crystals are dissolved in water. The colour of the solution is.
MEDIUM
10th CBSE
IMPORTANT
MODERN'S ABC+ OF SCIENCE CHEMISTRY>Chapter 3 - Metals and Non-Metals>TEST YOURSELF>Q 15
Two beakers A and B contain iron (II) sulphate solution. In the beaker A, a small piece of copper and in the beaker B a small piece of zinc are placed. It is found after some time that a grey deposit forms on zinc but not on copper. From these observations it can be concluded that:
MEDIUM
10th CBSE
IMPORTANT
MODERN'S ABC+ OF SCIENCE CHEMISTRY>Chapter 3 - Metals and Non-Metals>TEST YOURSELF>Q 16
Write chemical equation for the following reaction.
 Zinc carbonate is heated in the absence of air.
MEDIUM
10th CBSE
IMPORTANT
MODERN'S ABC+ OF SCIENCE CHEMISTRY>Chapter 3 - Metals and Non-Metals>TEST YOURSELF>Q 16

Write chemical equations for the following reactions.

A mixture of Cu2O and Cu2S is heated.

MEDIUM
10th CBSE
IMPORTANT
MODERN'S ABC+ OF SCIENCE CHEMISTRY>Chapter 3 - Metals and Non-Metals>TEST YOURSELF>Q 17
A metal M does not liberate hydrogen from acids but reacts with oxygen to give a black coloured product. Identify M and black coloured product and also explain the reaction of M with oxygen.