Nuclear Chemistry Test

Result

Nuclear Chemistry Test - 16

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Weekly Quiz Competition

Question 1
4 / -1

A

B

C

D

Solution
Question 2
4 / -1

Which of the following is not correct ?

A
Nuclei of atoms participate in nuclear reactions

B
₂₀Ca⁴⁰ and ₁₈Ar⁴⁰ are isotones

C
1 u of mass defect is approximately equal to 931.5 MeV

D
Uranium (U²³⁸ ) series is known as(4n + 2) series

Solution
Question 3
4 / -1

What is X in the following nuclear reaction ?
₁₁Na²³ + ₀ n¹ → ₁₁Na²⁴ + X

A
₁H¹

B
₂He⁴

C
₁H²

D
γ-ray (gamma ray)

Solution
Question 4
4 / -1

A

B

C

D

Solution
Question 5
4 / -1

A

B

C
the isobar of parent nucleus

D
the isotope of parent nucleus

Solution
Question 6
4 / -1

The nucleus of an atom is made up of X protons and Y neutrons. For the most stable and abundant nuclei

A
X and Y are both even

B
X and Y are both odd

C
X is even and Y is odd

D
X is odd and Y is even
Question 7
4 / -1

Neutrino has

A
charge + 1 , mass 1

B
Charge 0, mass 0

C
Charge – 1, mass 1

D
Charge 0, mass 1
Question 8
4 / -1

Which number is common to isotopes ?

A
Proton

B
Neutron

C
Proton and neutron

D
Nucleon
Question 9
4 / -1

The decay of a radioactive element follows first order kinetics. As a result

A
The half – life period = a constant k where k is the decay constant

B
The rate of decay is independent of temperature

C
The rate can be changed by changing chemical conditions

D
The element will be completely transformed into a new element after the expiry of two half – life periods.
Question 10
4 / -1

Which of the following isotopes is likely to be most stable?

A

B

C

D
None