CHILD DEVELOPMENT PEDAGOGY

GROWTH DEVELOPMENT CHILD

CLASSIFICATION OF ASSESSMENT

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Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]

Which of the following is a pure substance?

A	Element
B	Mixture
C	Either A or B
D	None of the above

Explanation:

Detailed explanation-1: -Out of the above substances only Ice, Iron, Hydrochloric acid, Calcium oxide and Mercury are pure substances.

Detailed explanation-2: -Examples of pure substances include tin, sulfur, diamond, water, pure sugar (sucrose), table salt (sodium chloride) and baking soda (sodium bicarbonate). Crystals, in general, are pure substances. Tin, sulfur, and diamond are examples of pure substances that are chemical elements.

Detailed explanation-3: -Iron, steel, and water are some of the examples of a pure substance. Air may be a homogeneous mixture that’s often considered to be a pure substance. As we know diamond, sucrose, honey, and air all are pure substances.

Detailed explanation-4: -Elements and compounds are both examples of pure substances. Compounds are substances that are made up of more than one type of atom. Elements are the simplest substances made up of only one type of atom.

There is 1 question to complete.