Question

Match the following Column A and column B:Column –A Column – B
a) Atomic theory. i. Mendeleev b) Cleansing agent. ii. Sedimentation c) Nourishment of skin iii. Magnetic separation
d) Separating iron from sulphur iv. Vitamin E
e) Periodic law v. John Dalton
f) Separating sand or chalk from water vi. Detergent

please tell all question ​

Answer 1

Answer:

Rearrange the columns 2 and 3 so as to match with the column 1.

Column 1

Column 2

Column 3

i. Triad

a. Lightest and negatively charged particle in all the atoms

1. Mendeleev

ii. Octaveb. Concentrated mass and positive charge

2. Thomson

iii. Atomic numberc. Average of the first and the third atomic mass

3. Newlands

iv. Periodd. Properties of the eighth element similar to the first

4. Rutherford

v. Nucleuse. The positive charge on the nucleus

5. Dobereiner

vi. Electronf. The sequential change in molecular formulae

6. Moseley

Answer 2

a) John Dalton

b) Detergent

c) Vitamin E

d) Magnetic separation

e) Mendeleev

f) Sedimentation

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