PHYSICAL SCIENCE & ENVIRONMENT CLASS 10>Chapter 11 - Inorganic Chemistry in the Laboratory and in Industry>EXERCISE>Q 10

EASY

10th West Bengal Board

IMPORTANT

Earn 100

State the nature of bonding present in ammonia. Show it with a diagram.

Important Questions on Inorganic Chemistry in the Laboratory and in Industry

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10th West Bengal Board

IMPORTANT

PHYSICAL SCIENCE & ENVIRONMENT CLASS 10>Chapter 11 - Inorganic Chemistry in the Laboratory and in Industry>EXERCISE>Q 1

On passing hydrogen chloride gas into alkaline phenolphthalein solution the colour turns from-

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10th West Bengal Board

IMPORTANT

PHYSICAL SCIENCE & ENVIRONMENT CLASS 10>Chapter 11 - Inorganic Chemistry in the Laboratory and in Industry>EXERCISE>Q 2

The gastric juice secreted in the human stomach contains-

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10th West Bengal Board

IMPORTANT

PHYSICAL SCIENCE & ENVIRONMENT CLASS 10>Chapter 11 - Inorganic Chemistry in the Laboratory and in Industry>EXERCISE>Q 3

Moist hydrogen chloride gas is dried by-

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10th West Bengal Board

IMPORTANT

PHYSICAL SCIENCE & ENVIRONMENT CLASS 10>Chapter 11 - Inorganic Chemistry in the Laboratory and in Industry>EXERCISE>Q 6

{FeSO}_{4} . 7 H_{2} O

is known as _____.

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10th West Bengal Board

IMPORTANT

PHYSICAL SCIENCE & ENVIRONMENT CLASS 10>Chapter 11 - Inorganic Chemistry in the Laboratory and in Industry>EXERCISE>Q 7

Formula of aqua fortis is _____.

(A) ${HNO}_{3}$ (B) $HCl$ (C) $H_{2} {SO}_{4}$

Enter your correct answer as A, B or C.

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10th West Bengal Board

IMPORTANT

PHYSICAL SCIENCE & ENVIRONMENT CLASS 10>Chapter 11 - Inorganic Chemistry in the Laboratory and in Industry>EXERCISE>Q 9

A mixture of

K_{2} O

and

{Al}_{2} O_{3}

used in Haber's process acts as _____.

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10th West Bengal Board

IMPORTANT

PHYSICAL SCIENCE & ENVIRONMENT CLASS 10>Chapter 11 - Inorganic Chemistry in the Laboratory and in Industry>EXERCISE>Q 10

Formula of sal ammoniac is _____.

$A . NaOH$

$B . {NH}_{4} Cl$

$C . {NH}_{4} {NO}_{3}$

(Enter your correct answer as $A, B or C$ )

EASY

10th West Bengal Board

IMPORTANT

PHYSICAL SCIENCE & ENVIRONMENT CLASS 10>Chapter 11 - Inorganic Chemistry in the Laboratory and in Industry>EXERCISE>Q 11

When phenolphthalein is added to ammonia solution the colour is _____.(yellow/pink)