Chemistry SPM 2014
2 years ago
amiraramli21
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  • Question 1
    20 seconds
    Q.

    Which of the following is correct about an electrolyte?

    answer choices

    Dissolves in water

    Exists as liquid at room temperature

    Conducts electricity in solid state

    Has lreely moving ions in aqueous state

  • Question 2
    20 seconds
    Q.

    Sulphuric acid, H,SO.,, is produced in industry through Contact Process.

    What is the catalyst used in Contact Process?

    answer choices

    Iron

    Platinum

    Vanadium(V) oxide

    Manganese(lV) oxide

  • Question 3
    20 seconds
    Q.

    Which statement explains why alloy is harder than pure metal?

    answer choices

    Atom of other metal reacts with atom of pure metal

    Atom of other metal reduces atom of pure metal from sliding

    Bonds between atom in alloy is stronger

    Density of alloy is higher

  • Question 4
    20 seconds
    Q.

    Which substance neutralises a solution with the pH value of 4?

    answer choices

    Distilled water

    Sodium chloride

    Sodium hydroxide

    Dilute ethanoic acid

  • Question 5
    30 seconds
    Q.

    Which characteristic is similar for all elements in Group 17 of the Periodic Table?

    answer choices

    Form coloured ions

    High melting and boiling points

    Exist as gas at room temperature

    Dissolve in water to form acidic solution

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