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76. In the above reaction
Reddish brown coloured oxygen gas is evolved
Reddish brown coloured nitrogen dioxide gas is evolved
Reddish brown coloured PbO gas is evolved
No reddish brwon gas is evolved
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77. Which of the following reactions will not occur? (NTSE Maharashtra, Stage-I, 2015-16)
78. Methane on combustion gives (NTSE Jharkhand, Stage-I, 2016-17)
CO2
H20
Both CO2 and H20
Neither CO2 nor H20
79. Which of the following reactions is involved in Black and White photography? (NTSE Maharashtra, Stage-I, 2015-16)
ZnO + C -> Zn + CO
80. Classify each of the following reactions: (a) Zn(S) + 2AgN03(aq) ~ Zn(N03)sub>2(ag) + 2Ag(S)
(a)
(b)
(c)CU(N03)2(aq) + Na2S(aq)→ 2NaN03(aq)+ Cust ↓
(d)
Precipitation Neutralization Decomposition Redox, reaction
Precipitation Neutralization Redox, reaction Decomposition
Redox, reaction Decomposition Precipitation Neutralization
Decomposition Redox, reaction Neutralization Precipitation
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