MEDIUM
10th CBSE
IMPORTANT
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Ionic compounds conduct electricity in _____.

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Important Questions on Metals and Non-metals

MEDIUM
10th CBSE
IMPORTANT
Eduwiser's CBSE Chemistry For Class X>Chapter 3 - Metals and Non-metals>Exercise 9>Q 21
Which of the following is/are oxide ore (s)?
MEDIUM
10th CBSE
IMPORTANT
Eduwiser's CBSE Chemistry For Class X>Chapter 3 - Metals and Non-metals>Exercise 9>Q 22
Horn silver is a/an _____.
MEDIUM
10th CBSE
IMPORTANT
Eduwiser's CBSE Chemistry For Class X>Chapter 3 - Metals and Non-metals>Exercise 9>Q 23
Carnallite is _____.
MEDIUM
10th CBSE
IMPORTANT
Eduwiser's CBSE Chemistry For Class X>Chapter 3 - Metals and Non-metals>Exercise 9>Q 24

Match column A with column B and select the correct option:            

Column A (Ore)   Column B (Nature of ore)
(A) Copper glance  (i) Sulphate ore
(B) Calamine    (ii) Halide ore
(C) Rock salt  (iii) Sulphide ore
(D) Epsom salt  (iv) Carbonate ore
EASY
10th CBSE
IMPORTANT
Eduwiser's CBSE Chemistry For Class X>Chapter 3 - Metals and Non-metals>Exercise 9>Q 25
Removal of impurities from ore is known as _____.
MEDIUM
10th CBSE
IMPORTANT
Eduwiser's CBSE Chemistry For Class X>Chapter 3 - Metals and Non-metals>Exercise 9>Q 26
Which of the following methods is used in the concentration of haematite ore?
MEDIUM
10th CBSE
IMPORTANT
Eduwiser's CBSE Chemistry For Class X>Chapter 3 - Metals and Non-metals>Exercise 9>Q 27
Froth flotation method is used for the concentration of _____.
MEDIUM
10th CBSE
IMPORTANT
Eduwiser's CBSE Chemistry For Class X>Chapter 3 - Metals and Non-metals>Exercise 9>Q 28
Which of the following methods is based on the principle of the difference in the wetting properties of the ore and gangue particles with water and oil?