Chemistry Paper 2Q2

Chemistry Paper 2Q2

10th Grade

40 Qs

quiz-placeholder

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Chemistry Paper 2Q2

Chemistry Paper 2Q2

Assessment

Quiz

Chemistry

10th Grade

Medium

Created by

Pandu Sarijadi

Used 2+ times

FREE Resource

40 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

1 The rate of diffusion of three gases, ammonia, carbon dioxide and methane, is measured. What is the order of the rate of diffusion of the gases from slowest to fastest?
CO2 --> NH3 --> CH4
CO2 --> CH4 --> NH3
CH4 --> NH3 --> CO2
NH3 --> CH4 --> CO2

2.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

2 Which description of Brownian motion is correct?
random movement of particles due to bombardment by larger particles
random movement of particles due to bombardment by smaller particles
random movement of particles from a high concentration to a low concentration
random movement of particles from a low concentration to a high concentration

3.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Media Image

3 The chromatogram obtained using four substances, J, K, L and M, is shown.

Which statement about M is correct?

It is a mixture of J and K only.

It is a pure substance.

It is a mixture of J, K and L.

It is a mixture of J, K and an unknown substance.

4.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

4 Which statements about isotopes of the same element are correct? 1 They are atoms which have the same chemical properties because they have the same number of electrons in their outer shell. 2 They are atoms which have the same number of electrons and neutrons but different numbers of protons. 3 They are atoms which have the same number of electrons and protons but different numbers of neutrons.
1 and 2
1 and 3
2 only
3 only

5.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

5 Which statement about solid magnesium oxide is correct?
It is a giant structure made up of magnesium and oxygen atoms bonded covalently.
It is an electrical conductor with mobile magnesium ions and oxygen ions.
Magnesium loses electrons and these electrons move freely through a lattice.
Oxygen ions and magnesium ions are attracted to each other in a giant lattice.

6.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

6 Which molecule contains only three shared pairs of electrons?
CH3OH
Cl 2
H2O
N2

7.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

7 Which particles are present in the structure of metals? 1 positive ions 2 negative ions 3 shared pairs of electrons 4 mobile electrons
1 and 2
1 and 4
2 and 3
2 and 4

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