Subject :NSO Class : Class 7
Consider the following list of materials to answer the question which follows.
I. Liquid oxygen
II. Soap solution
III. Brass
IV. Silver
V. Petrol
Which one of the following is correct?
AI, III and IV are elements.
BII, III and V are mixtures.
CIII and IV are elements.
DIII and V are compounds.
Isn t soap solution aka sodium hydroxide a co,pound
Ans 1:
Class : Class 10
Is petrol a mixture or a compound?