Chemistry
Grade-6
Easy
Question
Which of the following statements is correct?
(i) Dust particles are the solid, minute solid particles present in the air.
(ii) Krypton is also radioactive in nature.
(iii) The seeping of water into the ground is known as infiltration.
- Only (i) and (ii)
- Only (i) and (iii)
- Only (ii)
- Only (iii)
Hint:
Dust particles are so small.
During the radioactive disintegration process, the product obtained has a higher atomic number.
water in the soil is used by plants in life functions and leaf transpiration, but it also can evaporate directly into the atmosphere.
The correct answer is: Only (i) and (iii)
The correct statements are :
Dust particles are the solid, minute solid particles present in the air.
The seeping of water into the ground is known as infiltration.
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