Recent questions in Chemistry Form 1

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

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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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The diagram shows PH values for several substances.

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

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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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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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The figure shows a set-up by a form three student to prepare a certain gas

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

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Name another gas which is used with oxygen in welding

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

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I want to know the different between alchemist and chemistry

asked Aug 2, 2021 in Chemistry Form 1 by Pendomajani

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State the uses of oxygen

asked Jul 28, 2021 in Chemistry Form 1 by davidkariukikinyanjui

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The Diagram below is set-up for the laboratory preparation of oxygen gas.

asked Jul 27, 2021 in Chemistry Form 1 by anony mous

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The diagrams below represent two iron nails with some parts covered tightly with zinc and tin respectively. What observations would be made at the exposed points R and Z if the wrapped nails are left in the open for several days? Explain.

asked Jul 27, 2021 in Chemistry Form 1 by anony mous

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Fractional distillation of liquid air is usually used to separate various gaseous mixtures in air. Explain how to

asked Jul 27, 2021 in Chemistry Form 1 by anony mous

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Describe how burning can distinguish CH2CH2 from CH3CH3

asked Jul 27, 2021 in Chemistry Form 1 by anonymous

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Air was passed through several reagents as shown below

asked Jul 27, 2021 in Chemistry Form 1 by anonymous

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The diagram below shows the relationship between the physical states of matter.

asked Jul 27, 2021 in Chemistry Form 1 by anonymous

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

asked Jul 27, 2021 in Chemistry Form 1 by anonymous

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The structure of two molecules of water can be represented as shown below.

asked Jul 27, 2021 in Chemistry Form 1 by anonymous

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Give two applications of chromatography?

asked Jul 27, 2021 in Chemistry Form 1 by anonymous

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What is paper chromatography?

asked Jul 27, 2021 in Chemistry Form 1 by anonymous

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