Year 9 - Exploring Chemical Reactions and Trends (level 10)

Year 9 - Exploring Chemical Reactions and Trends (level 10)

10th Grade

15 Qs

quiz-placeholder

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Year 9 - Exploring Chemical Reactions and Trends (level 10)

Year 9 - Exploring Chemical Reactions and Trends (level 10)

Assessment

Quiz

Science

10th Grade

Hard

Created by

Emily Hoysted

FREE Resource

15 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the significance of the rows (periods) in the periodic table?

They indicate the number of valence electrons.

They indicate the number of electron shells.

They indicate the atomic mass.

They indicate the reactivity of elements.

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which of the following is a characteristic of metals in the periodic table?

High electronegativity

Poor conductivity

Malleability

Brittle nature

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Synthesis

Decomposition

Displacement

Combustion

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which of the following factors does NOT affect the rate of a chemical reaction?

Temperature

Colour of reactants

Concentration

Surface area

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the trend in atomic size as you move down a group in the periodic table?

It decreases.

It remains the same.

It increases.

It fluctuates.

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which of the following reactions is exothermic?

Melting ice

Photosynthesis

Combustion of petrol

Evaporation of water

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the effect of increasing the concentration of reactants on the rate of reaction?

It decreases the rate.

It has no effect.

It increases the rate.

It stops the reaction.

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