Recent questions in Chemistry Form 1

0 votes

1 answer

State four differences between temporary physical change and temporally chemical change

asked Aug 26, 2021 in Chemistry Form 1 by anonymous

0 votes

1 answer

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

0 votes

1 answer

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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1 answer

The diagram below shows the relationship between the physical state of matter .study it and answer the questions that follows.

asked Aug 26, 2021 in Chemistry Form 1 by anonymous

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1 answer

State three importance of studying chemistry

asked Aug 26, 2021 in Chemistry Form 1 by anonymous

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3 answers

Define the term chemistry.

asked Aug 26, 2021 in Chemistry Form 1 by anonymous

0 votes

1 answer

what makes bunsen burner to produce roaring sound

asked Aug 26, 2021 in Chemistry Form 1 by osmanabdi

0 votes

1 answer

what makes bunsen burner to produce roaring sound

asked Aug 26, 2021 in Chemistry Form 1 by osmanabdi

0 votes

1 answer

Mercury on a clean glass slide collects into small spherical balls as shown in figure below. Explain why

asked Aug 23, 2021 in Chemistry Form 1 by anony mous

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1 answer

The grid below shows part of the table. The letter is not the actual chemical symbols of the elements. Study it and use it to answer the question that follows.

asked Aug 18, 2021 in Chemistry Form 1 by anony mous

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1 answer

A student used the setup below to prepare oxygen gas in the laboratory. Study it and answer the questions that follow.

asked Aug 18, 2021 in Chemistry Form 1 by anony mous

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1 answer

Chlorine water was exposed to sunlight for a few hours .Colourless gas F was collected in the boiling tube as shown.

asked Aug 18, 2021 in Chemistry Form 1 by anony mous

0 votes

1 answer

The set up below was used to collect gas Z produced by the reaction between water and calcium metal. set up on water and calcium metal reaction Give a chemical test for gas Z. 2mks Write the equation of the reaction between the calcium metal and water.

asked Aug 18, 2021 in Chemistry Form 1 by anony mous

0 votes

1 answer

Hydrogen was passed over copper II oxide in a combustion tube.

asked Aug 18, 2021 in Chemistry Form 1 by anony mous

0 votes

1 answer

The diagram below represents a luminous flame. disgram of luminous flame Mark and label on the diagram the hottest and coolest parts

asked Aug 18, 2021 in Chemistry Form 1 by anony mous

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1 answer

Element J belong to period 3 and group V.

asked Aug 18, 2021 in Chemistry Form 1 by anony mous

0 votes

1 answer

A student prepared ammonia gas and wanted to make a solution in water. Complete the diagram to show how he made the solution.

asked Aug 18, 2021 in Chemistry Form 1 by anony mous

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1 answer

Classify the changes below as physical or chemical changes.

asked Aug 18, 2021 in Chemistry Form 1 by anony mous

0 votes

1 answer

Dyes W,X, Y and Z were analysed using P as the purest sample of the dye required by a chemist .the result obtained were as shown on the chromatogram below.

asked Aug 18, 2021 in Chemistry Form 1 by anony mous

0 votes

1 answer

One mole of heptane was thermally cracked, two hydrocarbons Q and P were formed. Q was an alkene molecule with three carbon atoms.

asked Aug 17, 2021 in Chemistry Form 1 by anonymous

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