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>> $Match the following columns:Column (I) C$

Question

Match the following columns:

Column (I) Column (II)
(1) Bleaching powder (a) Sodium bicarbonate
(2) Baking soda (b) Sodium carbonate
(3) Washing soda (c) Calcium oxychloride
(4) Plaster of Paris (d) Calcium sulphate hemihydrate

A

(1) $\to$ (c), (2) $\to$ (a), (3) $\to$ (b), (4) $\to$ (d)

B

(1) $\to$ (a), (2) $\to$ (b), (3) $\to$ (c), (4) $\to$ (d)

C

(1) $\to$ (b), (2) $\to$ (c), (3) $\to$ (d), (4) $\to$ (a)

D

(1) $\to$ (d), (2) $\to$ (a), (3) $\to$ (b), (4) $\to$ (c)

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Solution

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Correct option is A)

Bleaching powder $⟶$ Calcium oxychloride $- C a O C l_{2}$

Baking soda $⟶$ Sodium bicarbonate $- N a H C O_{3}$

Washing soda $⟶$ Sodium carbonate $- N a_{2} C O_{3}$

Plaster of Paris $⟶$ Calcium sulphate hemihydrate $- C a S O_{4} \cdot \frac{1}{2} H_{2} O$

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Match Column I with Column II and choose he correct option from the codes given below:

List 1Cleaning agent for domestic purposeIn soda-acid fire extinguishersDisinfecting drinking waterD-greasing metals Paper making

List 2Sodium hydrogen carbonateBleaching powderSodium hydroxideSodium carbonate

Column A Column B
A. Bleaching powder i. Preparation of glass
B. Baking soda ii. Production of $H_{2}$ and $C l_{2}$
C. Washing soda iii. Decolourisation
D. Sodium chloride iv. Antacid
Match the chemical substances given in Column (A) with their appropriate application given in Column (B).

Match the chemical substances given in column (I) with their appropriate application given in column (II):

Column I Column II
(1) Bleaching powder (i) Preparation of glass
(2) Baking soda (ii) Production of $H_{2}$ and $C l_{2}$
(3) Washing Soda (iii) Decolourisation
(4) Sodium chloride (iv) Antacid

Match column I with column II and select the correct answer using the codes given below:

Column I Column II
(Common name) (Chemical name / Chemical present)
(A) Slaked lime (P) Zinc carbonate
(B) Baking soda (Q) Calcium hydroxide
(C) Calamine solution (R) Sodium bicarbonate
(D) Milk of Magnesia (S) Magnesium hydroxide

Match the following columns.

Column (I) Column(II)
(1) Plaster of Paris (i) Ca(OH) $_{2}$
(2) Gypsum (ii) CaSO $_{4}$ . $\frac{1}{2}$ H $_{2}$ O
(3) Bleaching powder (iii) CaSO $_{4}$ .2H $_{2}$ O
(4) Slaked lime (iv) CaOCl $_{2}$

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