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Which of the following materials fall …

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Which of the following materials fall in the category of a pure substance? (a) ice (b) milk (c) iron (d) hydrochloric (e) calcium oxide (f) mercury (g) brick (h) wood (I) air.

Posted by Kundan Kumar 4 years, 4 months ago

CBSE > Class 09 > Science

1 answers

Prabhat Gupta 4 years, 4 months ago

Hi kundan...here's your answer: Ice, iron, calcium oxide and mercury are pure substances since they contain particles of only one kind of matter. In contrast, milk, hydrochloric acid (hydrogen chloride gas dissolved in water), brick and air cannot be called pure substances because they consists of particles of more than one kind of matter.

2Thank You

ANSWER

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CBSE > Class 09 > Science