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Page Owner: Shahdil Afaque

16/01/2023

Gamma radiation are emitted due to
(a) Excitation of atoms
(b) De- excitation of atoms
(c) Excitation of nucleus
(d) De-excitation of nucleus

10/11/2022

Q: Which of the following is a unit of electric intensity?
1. N/Coulomb 2. Volt/m
3. Coulomb/m^2 4. All of these 5. Both 1 and 3

07/11/2022

Q: Current in an inductance of 1mH is reduced from 5A to 0 in 1ms. The emf induced in it is:
a) 1/5 b) 10^-6
c) 5 d) 50

05/11/2022

Q: A compound having empirical formula C3H3O and it's molecular mass is 110. It's molecular formula is:
1. C3H3O 2. C6H6O2
3. C9H9O3 4. C3H6O2

04/11/2022

Q: The unit of rate constant is same as that of the reaction:
1. Zero order 2. First order 3. Second order
4. Third order

03/11/2022

Q: Which of the following has high value of electron affinities?
1. Li 2. Na
3. Be 4.B

02/11/2022

Q: An alpha particle is a/an:
1. Neutron 2. Photon
3. Helium nucleus
4. Electrons

01/11/2022

Q: Which of the following salt will hydrolyze in water?
1. NaCl 2. NH4Cl
3. MgSO4 4.NaHCO3

01/11/2022

Q: A certain mass of nitrogen gas at 20°C and at 740 torr pressure occupies 12.34 dm^3. Calculate the volume that it will occupy at S.T.P.
a. 8.4 dm^3 b. 10 dm^3
c. 11.1 dm^3 c. 12.5 dm^3

31/10/2022

Q: Oxidation of aldehyde gives:
1. Alcohol 2. Ether
3. Carboxylic acid
4. Ketone

30/10/2022

Q: Which of the following has high ionization energy?
1. Li 2. Be
3. He 4. B

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