4th form Chemistry

4th form Chemistry

4th Grade

20 Qs

quiz-placeholder

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4th form Chemistry

4th form Chemistry

Assessment

Quiz

Chemistry

4th Grade

Hard

Created by

Frank Massiah

Used 14+ times

FREE Resource

20 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which of the following properties would most likely not belong to a simple covalent solid?

Low melting point

Soluble in nonpolar solvents

High melting point

Conducts electricity

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Diamond and graphite are allotropes of carbon. Sulphur also has allotropes. Which of the following would not be a property of alltropes?

Made up of different elements

Same chemical properties

Possesses similar chemical bonds

Different physical properties

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What are the values of a, b, c and d respectively for the balanced equation aPb(NO3)2 + bNa2SO4 --> cNaNO3 + dPbSO4

1,1,1,1

1,2,2,1

1,1,2,1

2,2,2,2

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Diffusion occurs from

a region of high concentration to a region of low concentration

a region of low concentration to a region of high concentration

a region of high concentration to a region of low concentration across a semi-permeable membrane

a region of low concentration to a region of high concentration across a semi-permeable membrane

5.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

20 g of ammonia would contain....... molecules of ammonia. Note Ar N = 14, H = 1 and Avogadro's constant 6 x1023

1.2

0.9

5.4 x 1023

7.2 x 1023

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Particle 817X has a charge of 2-. Which of the following would be correct about particle X?

It has 8 electrons

It has 17 neutrons

It has 10 electrons

It has 9 protons

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Media Image

Above is a heating curve for substance HC4. What state(s) of matter would present at point II on the curve?

solid and liquid

solid only

liquid and gas

liquid only

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