Understanding Elements, Compounds & Mixtures

Understanding Elements, Compounds & Mixtures

1st Grade

15 Qs

quiz-placeholder

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Understanding Elements, Compounds & Mixtures

Understanding Elements, Compounds & Mixtures

Assessment

Quiz

Chemistry

1st Grade

Practice Problem

Hard

Created by

Rosemary Matthews

Used 1+ times

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15 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is an element?

A pure substance made up of two or more types of atoms.

A pure substance made up of only one type of atom.

A mixture of different substances.

A substance that can be easily separated.

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is a compound?

A single element.

A mixture of substances.

Two or more elements chemically joined together.

A substance that cannot be broken down.

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which of the following is an example of a mixture?

Water

Salt

Air

Carbon dioxide

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What happens when iron and sulphur are mixed?

They form a new compound.

They can be easily separated.

They produce a gas.

They change colour.

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is formed when magnesium reacts with oxygen?

Magnesium sulphide

Magnesium chloride

Magnesium oxide

Magnesium nitride

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the main component of air?

Oxygen

Carbon dioxide

Nitrogen

Water vapour

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the process called when air is separated into its components?

Filtration

Distillation

Fractional distillation

Evaporation

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