IGCSE Combined science (Chemistry)

IGCSE Combined science (Chemistry)

9th - 10th Grade

40 Qs

quiz-placeholder

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IGCSE Combined science (Chemistry)

IGCSE Combined science (Chemistry)

Assessment

Quiz

Chemistry

9th - 10th Grade

Hard

Created by

Anete Biteniece

Used 136+ times

FREE Resource

40 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Media Image

The apparatus used to remove sand from a mixture of salt and sand is shown. The contents of beaker 1 are stirred and then poured into the funnel above beaker 2. What is in beaker 2?

a mixture of an element and a compound

a mixture of two compounds

one compound only

one element only

2.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Media Image

Which row describes an element and a compound?

A

B

C

D

3.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Media Image

The positions of elements P, Q, R, S and T in the Periodic Table are shown. The letters are not the symbols for the elements.

Which element forms an ionic compound with element P?

Q

R

S

T

4.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Media Image

The diagram shows the apparatus used for the electrolysis of lead(II) bromide using inert electrodes X and Y. Lead is formed at electrode Y.

Which statement about the electrolysis is correct?

A green gas is given off at electrode X.

Electrode Y is the anode.

Only a physical change takes place when a current is passed.

The electrolyte is in the molten state.

5.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Media Image

Which temperature changes occur during exothermic and endothermic reactions?

A

B

C

D

6.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

What is a catalyst?

a substance that decreases the rate of reaction and is chemically changed at the end of the reaction

a substance that decreases the rate of reaction and is chemically unchanged at the end of the reaction

a substance that increases the rate of reaction and is chemically changed at the end of the reaction

a substance that increases the rate of reaction and is chemically unchanged at the end of the reaction

7.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Which word equation represents the reaction of an acid with a carbonate?

acid + carbonate → salt + carbon dioxide

acid + carbonate → salt + carbon dioxide + water

acid + carbonate → salt + hydrogen + water

acid + carbonate → salt + water

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