Subject :NSO Class : Class 8
Select the correct statements.
(i) Magnesium ribbon on heating in air
catches fire and burns with white flame
to form magnesium oxide.
(ii) All metals react with water to evolve
hydrogen gas.
(iii) Iron reacts with cold water slowly.
(iv) Sodium metal is always kept in
kerosene as it reacts vigorously with
air and moisture.
A (i) and (iii) only
B (ii) and (iii) only
C (i) and (iv) only
D (ii) and (iv) only
why is option C not the right answer?
Ans 1:
Class : Class 8
Ans 2:
Class : Class 8
Ans 3:
Class : Class 4
It should be c not b or the question should have written incorrectly
Ans 4:
Class : Class 8
Ans 5:
Class : Class 8
Ans 6:
Class : Class 8
Ans 7:
Class : Class 8
why have they missed the letters 'i' and 'n' in the question?or maybe they have marked the wrong answer as the correct onenot agreedSOF PLEASE TAKE NOTE AND CORRECT THE ERROR