Recent questions in Chemistry

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Give the name of each of the following properties as described.

asked Jul 26, 2021 in Chemistry Form 4 by anony mous

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1 answer

Air was passed through several reagents shown in the flow chart below.

asked Jul 26, 2021 in Chemistry Form 1 by anony mous

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1 answer

An ion T3- has an electronic arrangement of 2.8

asked Jul 26, 2021 in Chemistry Form 1 by anony mous

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1 answer

Using dots(•) and crosses (x), show the type of bonding in the following compounds

asked Jul 26, 2021 in Chemistry Form 2 by anony mous

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20cm³ of a solution containing 4g per litre of sodium hydroxide was neutralized by 8.0cm³ of dilute sulphuric acid.Culculate the concentration of sulphuric acid in moles per litre.(Na=23,O=16,H=1).

asked Jul 24, 2021 in Chemistry Form 3 by erulu

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Give two reasons why hydrogen is not commonly used as a fuel.

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

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A mixture of magnesium powder and lead oxide will react vigorously when heated but no reaction occurs when a mixture of magnesium oxide and lead powder are heated.

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

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Lithium has two isotopes with mass numbers 6 and 7. If the relative atomic mass of Lithium is 6.94, determine the percentage abundance of each isotope.

asked Jul 23, 2021 in Chemistry Form 2 by anony mous

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Below is a structure of Aluminium chloride.

asked Jul 23, 2021 in Chemistry Form 2 by anony mous

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State the mathematical expression of Boyle’s Law

asked Jul 23, 2021 in Chemistry Form 3 by anony mous

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Study the flow chart below and answer the questions that follow

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

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1 answer

how would you remove carbon4 oxide from carbon 2oxide

asked Jul 22, 2021 in Chemistry Form 2 by 705698972

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Describe the main steps in extraction of sodium carbonate using flow chart

asked Jul 22, 2021 in Chemistry Form 2 by 705698972

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Distinguish between strong and weak acids. Give an example of each

asked Jul 22, 2021 in Chemistry Form 1 by monicahwangombe

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explain why concentrated sulphuric acid is a weaker acid than dilute sulphuric acid

asked Jul 22, 2021 in Chemistry Form 1 by monicahwangombe

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What observations were made when Hydrogen Sulphide was bubbled through Zinc Nitrate?

asked Jul 22, 2021 in Chemistry Form 3 by Moniquek

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Bond in magnesium sulphide

asked Jul 21, 2021 in Chemistry Form 2 by Moniquek

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2 answers

Properties of carbon(iv)oxide

asked Jul 20, 2021 in Chemistry Form 2 by EMMANUELMZUNGU

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2 answers

Hydrogen can reduce copper oxide but not aluminium oxide. Explain

asked Jul 20, 2021 in Chemistry Form 1 by 700000

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1 answer

aluminium carbonate does not exist .give a reason

asked Jul 19, 2021 in Chemistry Form 2 by Mandie

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