Question

which one of the properties that you have learned in chapter sorting materials into groups would be best suitable to distinguish the following pairs A. glass tumbler and a stainless steel B. sawdust and salt. explain your answer.​

Answer 1

Answer:

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★ Question 1.

An iron nail is kept in each of the following liquids. In which case would it lose its shine and appear dull?

(a) Mustard oil

(b) Soft drink

(c) Coconut oil

(d) Kerosene

Solution:

(b) : Soft drinks contain water, carbon dioxide and acid due to which iron nail is corroded and appears dull.