Grade 9 Natural Sciences June Paper and Memo:
Total: 100 Marks.
Contents of the exam paper contains the following details:
Periodic Table
Naming & formulas of compounds
Chemical Reactions
Reactions with Oxygen
Acids and Bases
This is a practice paper with memorandum meant to test th...
GRADE 9 NATURAL SCIENCES JUNE TEST
SECTION A
QUESTION 1
1.1 Various options are provided as answers to the following questions. Choose
the correct answer and write ONLY the LETTER(A-D) next to the
QUESTION NUMBER (1.1.1-1.1.10) on your answer sheet, for example 1.1.11 D.
1.1.1 Which of the following can you NOT learn from a chemical formula?
A Elements in the compound B Phase of the element
C Ratio of atoms D Total number of atoms
1.1.2 Which of the following is NOT a sub-atomic particle?
A Electrons B Protons
C Neutrons D Nucleons
1.1.3 What is the prefix for 6 atoms?
A Hepta- B Hexa-
C Penta- D Tri-
1.1.4 An element has an atomic number of 30 and mass number of 65.
How many nucleons will if have?
A 30 B 35
C 65 D 95
1.1.5 Element at group 15, period 2 on the periodic table…
A Carbon B Nitrogen
C Silicon D Oxygen
1|Page www.summariessa.co.za Natural Sciences
Grade 9 June Paper
, 1.1.6 The following is an example of a semi-metal:
A Silicon B Lithium
C Magnesium D Carbon
1.1.7 Substances on the left side of a chemical equation:
A Products B Reactants
C Metals D Non-metals
1.1.8 Which of the following is NOT a way to prevent rust?
A Galvanisation B Electrolysis
C Paint D Oil or grease
1.1.9 Substance with a pH lower than 7 will be classified as:
A Lemon Juice B Neutral
C Acidic D Alkaline
1.1.10 An neutral substance would turn ______ with universal indicator.
A Green B Violet
C Colourless D Red [10x1]
1.2 Provide the correct TERM for the following descriptions. Write ONLY the correct
TERM next to the QUESTION NUMBER (1.2.1-1.2.7) on your answer sheet.
1.2.1 Measure of how strongly acidic or alkaline a substance is.
1.2.2 Reaction of a substance with oxygen.
1.2.3 Name for group 18 on the periodic table.
1.2.4 Process whereby compounds can be broken down using electricity.
1.2.5 H2, O2, Br2, I2.
1.2.6 Name for groups 3 to 12 on the periodic table.
1.2.7 When acids and bases react with each other. [1x7]
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Grade 9 June Paper
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