railway RRB Technician Grade 3 Mock Test 2024 Chemistry Hydrogen

Temporary hardness of water is due to the presence of

1

soluble salts of magnesium & calcium

2

magnesium hydrogen carbonates only

3

magnesium & calcium hydrogen carbonates

4

soluble salts of calcium only

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