Question

Match the following with correct response. (1)
ColumnB
Column A
(A) Element
(1) sugar
(B) Mixture
(2) salt sodium
(C) liquid element
(3) gold
(D) Compound
(4) mercury
a. 1-C, 2-B, 3-D, 4-A
b. 1-B, 2-D. 3-A, 4-C
C. 1-D, 2-A, 3-C, 4-B
d. 1-A, 2-C, 3-B, 4-D​

Answer 1

ColumnB

Column A

(A) Element

(1) sugar

(B) Mixture

(2) salt sodium

(C) liquid element

(3) gold

(D) Compound

(4) mercury

a. 1-C, 2-B, 3-D, 4-A

b. 1-B, 2-D. 3-A, 4-C

C. 1-D, 2-A, 3-C, 4-B

d. 1-A, 2-C, 3-B, 4-D

Answer 2

Answer:

1-D, 2-B, 3-A, 4-C

Explanation:

1. 1-D (Sugar - Compound)

Sugar is a compound formed by the combination of three atoms: carbon, hydrogen and oxygen with the formula C6H12O6. Because these three atoms are chemically bonded together, they form sugar as a compound in nature.

2. 2-B (Salt Solution - Mixture)

A salt solution in water is considered a mixture because when salt is dissolved in water, it does not change chemically, but breaks up into ions.

3. 3-A (Gold - Element)

Pure substances are either elements or compounds. They contain similar atoms or molecules and therefore have certain physical and chemical properties. For example, gold is an element that contains similar atoms. It is one of the purest metals.

4. 4-C (Mercury - Liquid Element)

Mercury is a chemical element and the only common metal that is liquid at room temperature. It is commonly known as quicksilver and is a heavy silver-white liquid metal. Mercury is both a liquid (because its melting point is very low -39°C) and a metal at room temperature. We tend to assume that all metals are solid, but this is not the case.

Therefore, the correct option for the above question is as follows: 1-D, 2-B, 3-A, 4-C.

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