Teaching HSSC TGT 2023 Mock Test (Latest Pattern) General Science Chemistry Chemical Reaction

Which of the following are Oxidation-reduction reactions?

a. 2Mg + O2 → 2MgO

b. MnO2 + 4HCl → MnCl2 + 2H2O + Cl2

c. 2Na + Cl2 → 2NaCl

d. 2NaBr + H2O → 2NaOh + Br2

1
only a, d
2
Only b, c
3
Only a, b
4
All of the above
5
Not Attempted
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