Recent questions in Chemistry

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A test-tube has a diameter of 3cm. how many turns would a piece of thread of length 90.42cm make round the test tube.(Take π=22/7) .

asked Aug 26, 2021 in Chemistry Form 1 by anonymous

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1 answer

State the function of the following apparatus in the laboratory.

asked Aug 26, 2021 in Chemistry Form 1 by anonymous

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2 answers

State two apparatus used as a source of heat in a laboratory

asked Aug 26, 2021 in Chemistry Form 1 by anonymous

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Name a solvent that is suitable in paper chromatography.

asked Aug 26, 2021 in Chemistry Form 1 by anonymous

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Spots of pure pigment A and B and a mixture Z were placed on a filter paper and allowed to dry. The paper was then dipped in a solvent and results obtained as follows on a paper chromatogram.

asked Aug 26, 2021 in Chemistry Form 1 by anonymous

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The graph below shows the shape of the curve obtained by a student when solid X was heated to boiling determine the melting point of solid X

asked Aug 26, 2021 in Chemistry Form 1 by anonymous

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Explain the differences between solid, liquid , and gaseous state using theoretical model of matter in terms of kinetic theory

asked Aug 26, 2021 in Chemistry Form 1 by anonymous

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Name the suitable solvent for extracting an indicator from flowers.

asked Aug 26, 2021 in Chemistry Form 1 by anonymous

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1 answer

Fill the following table

asked Aug 26, 2021 in Chemistry Form 1 by anonymous

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Define the following terms: Compound

asked Aug 26, 2021 in Chemistry Form 1 by anonymous

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Define the following terms: Molecule

asked Aug 26, 2021 in Chemistry Form 1 by anonymous

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Define the following term: Atom

asked Aug 26, 2021 in Chemistry Form 1 by anonymous

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The set up below represent the apparatus that may be used to separate ethanol from water.

asked Aug 26, 2021 in Chemistry Form 1 by anonymous

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The diagram below represents the apparatus that may be used to separate a mixture of two miscible liquids C and D whose boiling points are 80ºC and 110ºC

asked Aug 26, 2021 in Chemistry Form 1 by anonymous

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Differentiate the following terms: Conductors and non –conductors.

asked Aug 26, 2021 in Chemistry Form 1 by anonymous

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Differentiate the following terms: Drug abuse and prescription.

asked Aug 26, 2021 in Chemistry Form 1 by anonymous

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1 answer

The diagram below shows a Bunsen burner in use.

asked Aug 26, 2021 in Chemistry Form 1 by anonymous

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1 answer

State four differences between temporary physical change and temporally chemical change

asked Aug 26, 2021 in Chemistry Form 1 by anonymous

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State the effect of an impurity on the melting and boiling point of a pure substance.

asked Aug 26, 2021 in Chemistry Form 1 by anonymous

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Draw and name the apparatus you would use in the separation of a mixture of kerosene and water.

asked Aug 26, 2021 in Chemistry Form 1 by anonymous

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