Chemistry Test

Chemistry Test

University

20 Qs

quiz-placeholder

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Chemistry Test

Chemistry Test

Assessment

Quiz

Chemistry

University

Hard

Created by

SITI BAKAR

Used 11+ times

FREE Resource

20 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

45 sec • 5 pts

Which of the following statements is NOT TRUE about the particle in gas?

The particles of gas move at high speed.

The collision between the gas particles and the wall of the container is elastic.

The gas particles more randomly in all direction.

The gas particles are arranged in regular patterns.

2.

MULTIPLE CHOICE QUESTION

45 sec • 5 pts

Why sodium chloride used in the preparation of soap?

To speed up the reaction to produce soap.

To produce soap which foams easily.

To reduce solubility of soap.

To make soap softer.

3.

MULTIPLE CHOICE QUESTION

45 sec • 5 pts

Which substance is a compound?

Sodium

Magnesium

Carbon

Naphthalene

4.

MULTIPLE CHOICE QUESTION

45 sec • 5 pts

Which statement explains why the size of the atoms of period 3 elements decrease across the period in the Periodic Table.

The number of protons increases.

The relative atomic mass increases.

The number of valence electrons increases.

The number of shells filled with electrons increases.

5.

MULTIPLE CHOICE QUESTION

30 sec • 5 pts

Media Image

Diagram above shows the structural formula for a carbon compound. Which of the following is the IUPAC nomenclature for the compound?

3-methylbut-2-ene

2-methylbut-1-ene

2-methylbut-2-ene

3-methylbut-3-ene

6.

MULTIPLE CHOICE QUESTION

45 sec • 5 pts

Which substances are non-electrolytes?

I Ethanol

II Acetamide

III Lead (II) bromide

IV Sodium chloride

I and II only

I and III only

II and IV only

III and IV only

7.

MULTIPLE CHOICE QUESTION

45 sec • 5 pts

Which equation represents a redox reaction?

NaOH + HCl -> NaCl + H2O

Cu(NO3)2 + Zn -> Zn(NO3)2 + Cu

2KCl + Pb(NO3)2 -> PbCl2 + 2KNO3

MgCO3 + 2HCl -> MgCl2 + H2O + CO2

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