1. Rate of forward reaction is equal to rate of backward reaction at equilibrium
2. After reaching the chemical equilibrium, the concentrations of reactants and products remain unchanged with time
3. For A (g)B(g) ,Kcis 10-2. If this reaction is carried out in the presence of catalyst, the value of Kc decreases
4. After reaching the equilibrium, both forward and backward reactions continue to take place
For A (g)
B(g) ,Kcis 10-2. If this reaction is carried out in the presence of catalyst, the value of Kc decreases
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1. 10-3
2. 5 x 10-4
3. 2 x 10-3
4. 10-2
5 x 10-4
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1. 1.3
2. 1.699
3. 1
4. 2
1.3
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Which of the following is added to chloroform to slow down its aerial oxidation in presence of light
1. Carbonyl chloride
2. Ethyl alcohol
3. Sodium hydroxide
4. Nitric acid
Ethyl alcohol
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1. 50
2. 60
3. 30
4. 40
40
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1.
2. O || CH3—C —CH—CH —CH3 | | CH3 OH
3. O || CH3—C —CH—CH —CH3 | | OH CH3
4. OH OH | | CH3— C — C —CH3 | | CH3 CH3
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1. 20Ca40and 18Ar40are isotones
2. Nuclei of atoms participate in nuclear reactions
3. Uranium (U238) series is known as (4n+2) series
4. 1 amu of mass defect is approximately equal to 931.5 MeV
Nuclei of atoms participate in nuclear reactions
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1. Cu2O
2. Cu
3. CuO
4. CuSO4
Cu<sub>2</sub>O
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1. P1>P3>P2
2. P1>P2>P3
3. P2>P3>P1
4. P2>P1>P3
P1>P3>P2
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1. A-3, B-4, C-2, D-1
2. A-3, B-4, C-1, D-2
3. A-2, B-1, C-4, D-5
4. A-5, B-3, C-2, D-1
A-3, B-4, C-1, D-2
No Explanation available for this question