Chapter 9 Science Form 4

Chapter 9 Science Form 4

10th Grade

5 Qs

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Chapter 9 Science Form 4

Chapter 9 Science Form 4

Assessment

Quiz

Science

10th Grade

Practice Problem

Medium

NGSS
MS-ETS1-1, HS-PS2-6, MS-ETS1-2

Standards-aligned

Created by

ROY Moe

Used 387+ times

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5 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Why is duralumin used to build the body of an aeroplane?

Soft

Light

Shiny

Ductile

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Leela noted that her gold earrings are soft and easily bent. How does the goldsmith help her to solve the problem?

Redesign her earrings

Melt it and add other elements to it

Increase the gold content

Purify the gold

Tags

NGSS.MS-ETS1-1

NGSS.MS-ETS1-2

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

This type of alloy is said to be very strong, hard and resistant to corrosion. This alloy is used in the construction of bridges and building structures. What are the elements in this alloy?

Copper and zinc

Copper and tin

Iron and carbon

Aluminium, magnesium and copper

Tags

NGSS.HS-PS2-6

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Joining many small molecules together in a long chain to form a very large molecules.

What is the process?

Condensation

Hydrolisis

Polymerisation

Depolymerisation

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which of the following shows that pure metal is softer than an alloy?

It is used to make wires from sheets

It is used to make the body of a vehicle that is able to fly in the air

It is used to make attractive musical instruments and trophies

It is used to make pots and pans that can be heated easily

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