MHT CET 2023 12th May Morning Shift | MHT CET Year Wise Previous Years Questions

A hot air balloon has volume of $$2000 \mathrm{~dm}^3$$ at $$99^{\circ} \mathrm{C}$$. What is the new volume if air in balloon cools to $$80^{\circ} \mathrm{C}$$ ?

$$2428.9 \mathrm{~dm}^3$$

$$2656.9 \mathrm{~dm}^3$$

$$2814.9 \mathrm{~dm}^3$$

$$1897.8 \mathrm{~dm}^3$$

MHT CET 2023 12th May Morning Shift

MCQ (Single Correct Answer)

-0

Identify the product obtained in following reaction.

n $$\mathrm{CH}_3 \mathrm{MgI}+\mathrm{H}_2 \mathrm{O} \stackrel{\text { dry ether }}{\longrightarrow}$$ product

$$\mathrm{n} \mathrm{~MgI}$$ and $$\mathrm{n} \mathrm{~CH}_4$$

$$\frac{\mathrm{n}}{2} \mathrm{C}_2 \mathrm{H}_6$$

$$\mathrm{n} \mathrm{~CH}_3 \mathrm{OH}$$ and $$\mathrm{n} \mathrm{~MgI}$$

$$\mathrm{n} \mathrm{~CH}_4$$ and $$\mathrm{n} \mathrm{~MgI}(\mathrm{OH})$$

MHT CET 2023 12th May Morning Shift

MCQ (Single Correct Answer)

-0

Which of following pairs is an example of isoelectronic species?

$$\mathrm{O}^{--} ; \mathrm{Na}^{+}$$

$$\mathrm{O}^{--} ; \mathrm{F}$$

$$\mathrm{K} ; \mathrm{Ca}^{++}$$

$$\mathrm{Ar} ; \mathrm{Al}^{+3}$$

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