Recent questions in Chemistry

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1 answer

Explain why is not suitable to have a

asked Aug 4, 2021 in Chemistry Form 2 by anony mous

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2 answers

State Boyle’s Law

asked Aug 4, 2021 in Chemistry Form 3 by anony mous

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1 answer

State and explain the function of tartaric acid in baking powder

asked Aug 4, 2021 in Chemistry Form 1 by anony mous

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1 answer

Carbon Oxide gas was passed over heated iron III Oxide as shown in the diagram below

asked Aug 4, 2021 in Chemistry Form 2 by anony mous

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1 answer

The diagram below shows set-up for preparing hydrogen gas by a Form 3 Student.

asked Aug 4, 2021 in Chemistry Form 1 by anony mous

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1 answer

Explain why aluminum is a better conductor of electricity than Sodium

asked Aug 4, 2021 in Chemistry Form 2 by anony mous

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1 answer

A certain mass of gas occupies 0.15dm3 at 20°c and 98,648.5pa, Calculate it volume at 101325pa and 0°c

asked Aug 4, 2021 in Chemistry Form 3 by anony mous

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1 answer

In a experiment to determine the percentage of purity of a sample of sodium carbonate, 2.15g of the sample reacted completely with 40cm3 of 0.5m sulphuric (iv) acid

asked Aug 4, 2021 in Chemistry Form 3 by anony mous

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1 answer

State the types of change that take place in each of the following situations

asked Aug 4, 2021 in Chemistry Form 1 by anony mous

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1 answer

Give 2 reasons why helium is used in weathers baloons

asked Aug 4, 2021 in Chemistry Form 2 by anony mous

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1 answer

60cm3 of oxygen diffuses through a porous pot in 50 seconds. How long would it take 60cm3 of oxygen gas diffuses through a porous pot in 50sec.How long would it take 60cm3 of Sulphur (iv) oxide to diffuse through the same pot under the same conditions?

asked Aug 4, 2021 in Chemistry Form 3 by anony mous

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4 answers

The diagram below represents part of the periodic table use it to answer the questions that follow.

asked Aug 4, 2021 in Chemistry Form 2 by anony mous

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1 answer

asked Aug 4, 2021 in Chemistry Form 1 by anony mous

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1 answer

Briefly outline how you would obtain ethanol from a mixture of ethanol and water.

asked Aug 4, 2021 in Chemistry Form 1 by anony mous

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1 answer

The diagram shows PH values for several substances.

asked Aug 4, 2021 in Chemistry Form 1 by anony mous

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1 answer

Write balanced equations for the following reactions

asked Aug 4, 2021 in Chemistry Form 3 by anony mous

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1 answer

Write down the formula of the following compounds

asked Aug 4, 2021 in Chemistry Form 3 by anony mous

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1 answer

The graph below shows a curve obtained when water at 20℃ was heated for 15 mins.

asked Aug 4, 2021 in Chemistry Form 1 by anony mous

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1 answer

Determine the number of sodium ions contained in 25cm3 of 0.5M sodium carbonate solution [a=6.023 x 1023]

asked Aug 4, 2021 in Chemistry Form 3 by anony mous

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1 answer

The diagram below represents a paper chromatograph for three brands of juices suspected to contain banned food colourings

asked Aug 4, 2021 in Chemistry Form 1 by anony mous

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