MHT CET 2021 21th September Morning Shift | MHT CET Year Wise Previous Years Questions

MHT CET 2021 21th September Morning Shift

MCQ (Single Correct Answer)

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What is the number of $$-$$CH$$_2$$ - groups present in dodecane?

MHT CET 2021 21th September Morning Shift

MCQ (Single Correct Answer)

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Which among the following statements is NOT true?

Compounds of unipositive ions of alkali metals are paramagnetic.

Alkali metals have low density.

All alkali metals are silvery white and soft.

Alkali metals are most electropositive elements.

MHT CET 2021 21th September Morning Shift

MCQ (Single Correct Answer)

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An element with simple cubic close structure has edge length of unit cell $$3.86 ~\mathop A\limits^o$$. What is the radius of atom?

$$5.79 \times 10^{-8} \mathrm{~cm}$$

$$1.93 \times 10^{-8} \mathrm{~cm}$$

$$3.86 \times 10^{-8} \mathrm{~cm}$$

$$2.43 \times 10^{-8} \mathrm{~cm}$$

MHT CET 2021 21th September Morning Shift

MCQ (Single Correct Answer)

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In a first order reaction, concentration of reactant is reduced to (1/8)^th of concentration in 23.03 minutes. What is half-life period of reaction?

25 min

7.7 min

15 min

30 min

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