Recent questions in Chemistry Form 1

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State two long-term effects of drug abuse.

asked Aug 11, 2021 in Chemistry Form 1 by anonymous

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Name three frequently abused drugs.

asked Aug 11, 2021 in Chemistry Form 1 by anonymous

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Putting off flames after use is one of the safety rules in the laboratory. State five other rules.

asked Aug 11, 2021 in Chemistry Form 1 by anonymous

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A Magnesium ribbon was cleaned with steel wool and used in the following set up. Wet sand was heated before Magnesium ribbon.

asked Aug 6, 2021 in Chemistry Form 1 by anonymous

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Hydrated Copper (II) Sulphate is heated in a boiling tube as shown.

asked Aug 6, 2021 in Chemistry Form 1 by anonymous

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Define the following terms as used in medicine: Drug

asked Aug 6, 2021 in Chemistry Form 1 by anonymous

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Under what conditions does the Bunsen burner produce the luminous flame?

asked Aug 5, 2021 in Chemistry Form 1 by anonymous

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A non-luminous flame is preferred for heating. Explain

asked Aug 5, 2021 in Chemistry Form 1 by anonymous

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The following diagram represents a non-luminous flame of the Bunsen burner

asked Aug 5, 2021 in Chemistry Form 1 by anonymous

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Element X has two isotopes. Two thirds of 3316X and one-third 3016X. What is the relative mass of element X?

asked Aug 5, 2021 in Chemistry Form 1 by anonymous

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Give an industrial application of sublimation

asked Aug 5, 2021 in Chemistry Form 1 by anonymous

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State two situations where redox reactions are applied in industry

asked Aug 5, 2021 in Chemistry Form 1 by anonymous

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Observe the equation below

asked Aug 5, 2021 in Chemistry Form 1 by anonymous

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State two similarities between rusting and combustion

asked Aug 5, 2021 in Chemistry Form 1 by anonymous

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Moist iron wool was inverted over water. The set up was left to stand for 2 days

asked Aug 5, 2021 in Chemistry Form 1 by anonymous

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The table below shows some properties and electronic arrangements of common ions of elements represented by letters P to X. Study the information in the table and answer the questions that follow

asked Aug 5, 2021 in Chemistry Form 1 by anonymous

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In an experiment, a test-tube full of chlorine water was inverted in chlorine water as shown in the diagram below and the set up left in sunlight for one day.

asked Aug 5, 2021 in Chemistry Form 1 by anonymous

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The curve below represents the variation of temperature with time when pure and impure samples of a solid were heated separately.

asked Aug 5, 2021 in Chemistry Form 1 by anonymous

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Samples of urine from three participants F, G and H at an international sports meeting were spotted onto a chromatography paper alongside two from illegal drugs A1 and A2. A chromatogram was run using methanol. The figure below shows the chromatogram.

asked Aug 5, 2021 in Chemistry Form 1 by anonymous

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State two uses of hydrogen gas

asked Aug 5, 2021 in Chemistry Form 1 by anonymous

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