MEDIUM
10th CBSE
IMPORTANT
Earn 100

Explain, reactivity of aluminium decreases if it is dipped in nitric acid.

Important Questions on Metals and Non-Metals

HARD
10th CBSE
IMPORTANT
MODERN'S ABC+ OF SCIENCE CHEMISTRY>Chapter 3 - Metals and Non-Metals>TEST YOURSELF>Q 9

Explain, titanium is a strategic metal.

HARD
10th CBSE
IMPORTANT
MODERN'S ABC+ OF SCIENCE CHEMISTRY>Chapter 3 - Metals and Non-Metals>TEST YOURSELF>Q 10
A, B and C are three elements which undergo chemical changes according to following equations:
(i) A2O3+2B→B2O3+2A
(ii) 3CSO4+2B→B2SO43+3C
(iii) 3CO+2A→A2O3+3C
(a) Which of these is most reactive?
(b) Which of these is least reactive?
(c) Arrange these elements in order of increasing reactivity
HARD
10th CBSE
IMPORTANT
MODERN'S ABC+ OF SCIENCE CHEMISTRY>Chapter 3 - Metals and Non-Metals>TEST YOURSELF>Q 11
With the help of diagram show the transfer of electrons between the atoms in the formation of MgO.
MEDIUM
10th CBSE
IMPORTANT
MODERN'S ABC+ OF SCIENCE CHEMISTRY>Chapter 3 - Metals and Non-Metals>TEST YOURSELF>Q 11
Why are ionic compounds usually hard?
MEDIUM
10th CBSE
IMPORTANT
MODERN'S ABC+ OF SCIENCE CHEMISTRY>Chapter 3 - Metals and Non-Metals>TEST YOURSELF>Q 11
How is that ionic compounds in the solid state do not conduct electricity, and they do so when in the molten state?
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: