info@avatto.com
+91-9920808017
6. Oxidation is defined as
Loss of electron
Gain of electron
Loss of proton
Gain of proton
Your email address will not be published. Required fields are marked *
Report
Name
Email
Website
Save my name, email, and website in this browser for the next time I comment.
Comment
7. Displacement reaction is (NTSE Rajasthan, Stage-I, 2013-14)
caO(s)+H20(1)→Ca(OH)2(aq
Pb( s) + CuCI2 (aq)→ PbCI2 (aq) + Cu( s)
MnO2 + 4HCI(I) → MnCI2(s) + 2H20(1) +CI2(g)
C6H120 6 + 602 → 6C02 + 6H20
8. A brown and bright element "x" when heated in presence of air turns in to black substance "y". If hydrogen gas Is passed over this heating material again "x" is obtained. "x" and "y" respectively are (NTSE Rajasthan, Stage-I, 2013-14)
Cu & CuO
S & S02
C & CO2
Na & NaH
9. The oxidation states of sulphur in SOl-, S2042-Â and S2062- follows the order (NTSE Haryana, Stage-I, 2013-14)
S2 o4 2-<SO 32 -<S 2 o6 2-
SO32-<S2O42-<S2O62-
S2O42-<S2O62-<SO32-
S2O62-<S2O42-<SO32-
10. The chemical formula of white vitriol is (NTSE Odisha, Stage-I, 2013-14)
CUSO45H2O
ZNSO4.7H2O
FESO4.7H2O
MgS04.7H2O
Login with Facebook
Login with Google
Forgot your password?
Lost your password? Please enter your email address. You will receive mail with link to set new password.
Back to login
