MHT CET 2020 16th October Morning Shift | MHT CET Year Wise Previous Years Questions

MHT CET 2020 16th October Morning Shift

MCQ (Single Correct Answer)

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A sample of gas absorbs $$4000 \mathrm{~kJ}$$ of heat and surrounding does $$2000 \mathrm{~J}$$ of work on sample. What is the value of $$\Delta U$$ ?

4002 kJ

6000 kJ

4000 kJ

2000 kJ

MHT CET 2020 16th October Morning Shift

MCQ (Single Correct Answer)

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What is the value of $$\mathrm{C}-\mathrm{O}-\mathrm{H}$$ bond angle in $$\mathrm{CH}_3-\mathrm{OH}$$ ?

$$107^{\circ}$$

$$108.9^{\circ}$$

$$109.5^{\circ}$$

$$110^{\circ}$$

MHT CET 2020 16th October Morning Shift

MCQ (Single Correct Answer)

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What is the molarity of solution containing $$3.2 \mathrm{~g}$$ of $$\mathrm{NaOH}$$ (molar mass $$40 \mathrm{~g} \mathrm{~mol}^{-1}$$) in $$250 \mathrm{~cm}^3$$ of water?

$$0.032 \mathrm{~mol} \mathrm{~dm}^{-3}$$

$$0.02 \mathrm{~mol} \mathrm{~dm}^{-3}$$

$$0.32 \mathrm{~mol} \mathrm{~dm}^{-3}$$

$$0.512 \mathrm{~mol} \mathrm{~dm}^{-3}$$

MHT CET 2020 16th October Morning Shift

MCQ (Single Correct Answer)

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A metallic element crystallises in simple cubic lattice. If edge length of the unit cell is $$3\mathop A\limits^o$$, with density $$8 \mathrm{~g} / \mathrm{cc}$$, what is the number of unit cells in $$100 \mathrm{~g}$$ of the metal?

(Molar mass of metal $$=108 \mathrm{~g} / \mathrm{mol}$$ )

$$1.33 \times 10^{20}$$

$$2.7 \times 10^{22}$$

$$2 \times 10^{24}$$

$$5 \times 10^{23}$$