Match the following compounds (Column-I) with their uses (Column-II) S. No. Column-I S.No. Column-II (I) Ca OH 2 (A) casts of statues (II) NaCl (B) white wash (III) CaSO 4 · 1 2 H 2 O (C) antacid (IV) CaCO 3 (D) washing soda preparation

(I)-(B), (II)-(D), (III)-(A), (IV)-(C)

(I)-(D), (II)-(A), (III)-(C), (IV)-(B)

(I)-(B), (II)-(C), (III)-(D), (IV)-(A)

(I)-(D), (II)-(C), (III)-(B), (IV)-(A)

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Magnesium chloride is an compound.

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Important Questions on The s-Block Elements

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Chemistry>Inorganic Chemistry>The s-Block Elements>Some Important Compounds of Magnesium and Calcium

Dead burnt plaster is

MEDIUM

Chemistry>Inorganic Chemistry>The s-Block Elements>Some Important Compounds of Magnesium and Calcium

When gypsum is heated to

393 K,

it forms:

EASY

Chemistry>Inorganic Chemistry>The s-Block Elements>Some Important Compounds of Magnesium and Calcium

Which of the reactions represents "slaking of lime"?

EASY

Chemistry>Inorganic Chemistry>The s-Block Elements>Some Important Compounds of Magnesium and Calcium

What is the commercial name for calcium oxide?

EASY

Chemistry>Inorganic Chemistry>The s-Block Elements>Some Important Compounds of Magnesium and Calcium

Match the following compounds (Column-I) with their uses (Column-II)

S. No.	Column-I	S.No.	Column-II
(I)	$Ca {(OH)}_{2}$	(A)	casts of statues
(II)	$NaCl$	(B)	white wash
(III)	${CaSO}_{4} \cdot \frac{1}{2} H_{2} O$	(C)	antacid
(IV)	${CaCO}_{3}$	(D)	washing soda preparation

EASY

Chemistry>Inorganic Chemistry>The s-Block Elements>Some Important Compounds of Magnesium and Calcium

The suspension of slaked lime in water is known as

EASY

Chemistry>Inorganic Chemistry>The s-Block Elements>Some Important Compounds of Magnesium and Calcium

The substance not likely to contain CaCO₃is

EASY

Chemistry>Inorganic Chemistry>The s-Block Elements>Some Important Compounds of Magnesium and Calcium

Gypsum is

MEDIUM

Chemistry>Inorganic Chemistry>The s-Block Elements>Some Important Compounds of Magnesium and Calcium

The setting of plaster of paris involves:

EASY

Chemistry>Inorganic Chemistry>The s-Block Elements>Some Important Compounds of Magnesium and Calcium

The compound insoluble in acetic acid is

EASY

Chemistry>Inorganic Chemistry>The s-Block Elements>Some Important Compounds of Magnesium and Calcium

Calcium carbonate is a_____ fluffy powder.(green/white)

HARD

Chemistry>Inorganic Chemistry>The s-Block Elements>Some Important Compounds of Magnesium and Calcium

The correct match is/are

EASY

Chemistry>Inorganic Chemistry>The s-Block Elements>Some Important Compounds of Magnesium and Calcium

The chemical which is used for plastering the broken bones is

MEDIUM

Chemistry>Inorganic Chemistry>The s-Block Elements>Some Important Compounds of Magnesium and Calcium

Then A, B and C will be

HARD

Chemistry>Inorganic Chemistry>The s-Block Elements>Some Important Compounds of Magnesium and Calcium

\begin{matrix} {CaCO}_{3} (s) & \overset{Heat}{\to} & X (s) + Z (g) \\ X (s) & \overset{Carbon, heat}{\to} & C (s) + D (g) \\ C (s) + H_{2} O & \to & E (g) \end{matrix}

Then, compound

E (g)

and

C (s)

will be

MEDIUM

Chemistry>Inorganic Chemistry>The s-Block Elements>Some Important Compounds of Magnesium and Calcium

Which one of the following substances is used in the laboratory for a fast drying of neutral gases?

EASY

Chemistry>Inorganic Chemistry>The s-Block Elements>Some Important Compounds of Magnesium and Calcium

When calcium oxide is treated with an acidic oxide, its _____ is formed.

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Chemistry>Inorganic Chemistry>The s-Block Elements>Some Important Compounds of Magnesium and Calcium

Commonly used laboratory desiccant is

MEDIUM

Chemistry>Inorganic Chemistry>The s-Block Elements>Some Important Compounds of Magnesium and Calcium

The chemical formulae of

X, Y

and

Z

are

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Chemistry>Inorganic Chemistry>The s-Block Elements>Some Important Compounds of Magnesium and Calcium

1 mol

of a substance (

X

) was treated with an excess of water.

2 mol

of readily combustible gas were produced along with the solution, which when reacted with

{CO}_{2}

gas, produced white turbidity. The substance (

X

) could be

Magnesium chloride is an compound.

Important Questions on The s-Block Elements

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