Class 6 Quiz 4

Welcome to your Class 6 Quiz 4

What is Science?

The hardest substance present on earth is

Which acid is present in curd ?

Which one can be used for making manure?

Out of these, which one is a non-biodegradable waste?

Bulb glows only in

Where was the use of first paper money recorded?

Which of the following empires used barter system?

What was the problem with barter system?

Stone age was replaced by____________.

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