Teaching UPTET 2023 (Paper 1 & 2) Mock Test General Science Chemistry Basic Concepts of Chemistry

In a chemical substance the elements are always present in definite proportions by mass, this is called

1

Law of constant proportions

2

Law of conservation of mass

3

Dalton’s atomic theory

4

None of the above

Share: WhatsApp Telegram X

Sponsored

hivanix.in

This quiz is brought to you by hivanix.in

🌐 Web App Development

Other Tools: chatwiz.hivanix.in mmspace.hivanix.in unogame.hivanix.in

Quick Navigation

Home

Subjects

Chapters