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a chemical to preserve specimen

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asked Aug 23, 2023 in General Questions by 0746022XXX

Name a chemical used to preserve specimen in the laboratory

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answered Sep 12, 2023 by anony mous

Formaldehyde (HCHO)

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answered Oct 31, 2023 by 0721356XXX

Iodine

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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.

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An industrialist has 460 litres of a chemical which is 75% pure. She mixes it with a chemical of the same type but 90% pure so as to obtain a mixture which is 78% pure. Find the amount of the 90% pure chemical used.

asked Jun 30, 2021 in Mathematics Form 1 by anonymous

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a chemical to preserve specimen

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2 Answers

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Iodine

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