railway RRB JE (CBT I + CBT II) Mock Test 2024 General Science Biology Ecology & Environment

In domestic water sewage, which of the following things is not a part of ‘Dissolved materials’?

1
Nitrate
2
Phosphate
3
Calcium
4
Sand
Share: WhatsApp Telegram X

Sponsored

hivanix.in

Visit

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