GENERAL KNOWLEDGE

GK

CHEMISTRY

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
Balance the following: ____ H2SO4 + ____ NaNO2
A
1, 1, 2, 1
B
1, 2, 2, 1
C
2, 3, 3, 2
D
4, 3, 2, 1
Explanation: 

Detailed explanation-1: -The balanced chemical equation is as follow: 2NaOH+H2SO4→Na2SO4+2H2O.

Detailed explanation-2: -2 NaHCO 3 ( aq ) + H 2 SO 4 ( aq ) → Na 2 SO 4 ( aq ) + 2 H 2 O ( l ) + 2 CO 2 Sodium Sulphuric Sodium Water Carbon hydrogen acid sulphate dioxide carbonate.

Detailed explanation-3: -H2SO4 + NaNo2 gives HNO2 + Na2SO4.

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