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The shape of XeOF<sub>4 is ...

The Xe atom in XeOF<sub>2 involves the hybridization ...

The N-O-N bond angle is maximum in ...

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Which of the following are α emitters? ...

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A radioactive nuclide emits γ-rays due to the ...

In the radioactive decay from 232<sub>92X to 220<sub>89Y, how many α and β particles are ejected from X and Y? ...

A radioactive element decays by two parallel reactions, the decay constants for which are λ<sub>1 and λ<sub>2. The effective decay constant(λ) of the nuclide is ...

The time of decay for a nuclear reaction is given by t=4t<sub>1/2. The relation between the mean life(T) and time of decay(t) is given by t= ...

A sample of a radioisotope (t<sub>1/2=4 days) was taken. After 16 days, 3g of the sample was left. What was the initial mass of the sample? ...

The rate of decay of a radioactive sample is given by R<sub>1 st time t<sub>1, and R<sub>2 at a later time t<sub>2. The mean life of this radioactive sample is ...

In radioactive decay, the emitted electrons come from the ...

Aldol condensation of propanal gives ...

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The compound having one C-C σ bond , one C-C π bond and four C-H σ bonds is ...

1,3-Butadiene has ...

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A--- α decay ---> B --- α decay ---> C --- β decay --->D <br> Which of the following are true? ...

if Z decreases by 10 and A decreases by 32, which could be possible: ...

Which is the most dangerous? ...

What is the most common explanation of the treason behind a radiation? ...

The penetration order of α,β,γ are: ...

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α radiation is: ...

Among α,β and γ beams, deflection in an electric field perpendicular to the beam will have least deflection for? ...

Among α,β and γ rays, which will face the maximum deflection in an electric field perpendicular to the beam? ...