MHT CET 2019 3rd May Morning Shift | MHT CET Year Wise Previous Years Questions

MHT CET 2019 3rd May Morning Shift

MCQ (Single Correct Answer)

-0

A gas performs 0.320 kJ work on surrounding and absorbs 120 J of heat from the surrounding. Hence, change in internal energy is

200 J

120.32 J

$-$200 J

440 J

MHT CET 2019 3rd May Morning Shift

MCQ (Single Correct Answer)

-0

For the elementary reaction, $3 \mathrm{H}_2(g)+\mathrm{N}_2(g) \longrightarrow 2 \mathrm{NH}_3(g)$ identify the correct relation among the following relations:

$\frac{-3}{2} \frac{d\left[\mathrm{H}_2(\mathrm{~g})\right]}{d t}=\frac{d\left[\mathrm{NH}_3(\mathrm{~g})\right]}{d t}$

$\frac{-2}{3} \frac{d\left[\mathrm{H}_2(\mathrm{~g})\right]}{d t}=\frac{d\left[\mathrm{NH}_3(\mathrm{~g})\right]}{\mathrm{dt}}$

$\frac{d\left[\mathrm{NH}_3(g)\right]}{d t}=\frac{-1}{3} \frac{d\left[H_2(g)\right]}{d t}$

$\frac{-d\left[H_2(g)\right]}{d t}=\frac{d\left[\mathrm{NH}_3(g)\right]}{d t}$

MHT CET 2019 3rd May Morning Shift

MCQ (Single Correct Answer)

-0

Natalite is a mixture of

acetic acid and diethyl ether

ethyl bromide and diethyl ether

ethyl alcohol and dimethyl ether

diethyl ether and ethyl alcohol

MHT CET 2019 3rd May Morning Shift

MCQ (Single Correct Answer)

-0

In which among the following compounds, oxidation number of nitrogen is +5 ?

$\mathrm{N}_2 \mathrm{O}$

$\mathrm{N}_2 \mathrm{O}_3$

$\mathrm{NO}_2$

$\mathrm{HNO}_3$

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