EASY
10th CBSE
IMPORTANT
Earn 100

Sodium and potassium are not found in a free state in nature. Give one reason.

Important Questions on Metals and Nonmetals

EASY
10th CBSE
IMPORTANT
Secondary Chemistry Class X>Chapter 3 - Metals and Nonmetals>FORMATIVE ASSESSMENT OUESTIONS FOR CCE>Q 5
Write the reaction between sodium and water.
EASY
10th CBSE
IMPORTANT
Secondary Chemistry Class X>Chapter 3 - Metals and Nonmetals>FORMATIVE ASSESSMENT OUESTIONS FOR CCE>Q 6
Which one of Ca, Na, Au and K will not react with water?
EASY
10th CBSE
IMPORTANT
Secondary Chemistry Class X>Chapter 3 - Metals and Nonmetals>FORMATIVE ASSESSMENT OUESTIONS FOR CCE>Q 7
Beakers are made of glass and not of iron. Give a chemical reason.
EASY
10th CBSE
IMPORTANT
Secondary Chemistry Class X>Chapter 3 - Metals and Nonmetals>FORMATIVE ASSESSMENT OUESTIONS FOR CCE>Q 8
Curd or chutney is not stored in a pot made of brass. Give a suitable reason.
EASY
10th CBSE
IMPORTANT
Secondary Chemistry Class X>Chapter 3 - Metals and Nonmetals>FORMATIVE ASSESSMENT OUESTIONS FOR CCE>Q 9
A metal with shining appearance reacts with hot water and also with dilute hydrochloric acid evolving hydrogen gas. Suggest giving a reason why this metal cannot be copper.
EASY
10th CBSE
IMPORTANT
Secondary Chemistry Class X>Chapter 3 - Metals and Nonmetals>FORMATIVE ASSESSMENT OUESTIONS FOR CCE>Q 10
What will happen if a solution of copper sulphate is stored in a vessel made of iron?
MEDIUM
10th CBSE
IMPORTANT
Secondary Chemistry Class X>Chapter 3 - Metals and Nonmetals>FORMATIVE ASSESSMENT OUESTIONS FOR CCE>Q 11
Name all the metals before hydrogen in the reactivity series.
EASY
10th CBSE
IMPORTANT
Secondary Chemistry Class X>Chapter 3 - Metals and Nonmetals>FORMATIVE ASSESSMENT OUESTIONS FOR CCE>Q 12
Arrange Na, Ca, K, Mg in the decreasing order of their reactivity.