Recent questions in Chemistry

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when water reacts with potassium metal the hydrogen produced ignites explosively on the surface of water.(i) what causes ignition.(ii) write an equation to show how this ignition occurs

asked Dec 19, 2021 in Chemistry Form 1 by AgnesMusungu

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1 answer

Hydrogen can reduce coppers oxide but not aluminium oxide.Explain

asked Dec 19, 2021 in Chemistry Form 1 by AgnesMusungu

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2 answers

Why is water not suitable for chromatography?

asked Dec 18, 2021 in Chemistry Form 1 by Flexx

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1 answer

What is a desiccator use for in the laboratory?

asked Nov 25, 2021 in Chemistry Form 1 by Sosajr6

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2 answers

Factors to consider when collecting a gas by displacement of;1 air2 water

asked Nov 22, 2021 in Chemistry Form 1 by tungi

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1 answer

why pH solutions in a beaker goes down and solution becomes more acidic after one day in preparation of hydrogen gas

asked Nov 18, 2021 in Chemistry Form 1 by marymwango

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2 answers

What is dilution of a solution in chemistry?

asked Nov 8, 2021 in Chemistry Form 3 by billyochizzz

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1 answer

What is a standard solution in Chemistry?

asked Nov 6, 2021 in Chemistry Form 3 by billyochiengo

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1 answer

graphite and diamond

asked Nov 5, 2021 in Chemistry Form 2 by Wisemanever

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2 answers

what is a solution

asked Nov 5, 2021 in Chemistry Form 1 by isi

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2 answers

Hydrogen chloride gas is bubbled through water and resultant solution divided to 3 portions. To the first portion three drops of silver nitrate solution. State what was observed and write the equation.

asked Nov 5, 2021 in Chemistry Form 1 by baliks

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1 answer

calculate the percentage of copper [||] oxide in the impure sample

asked Oct 29, 2021 in Chemistry Form 3 by vokeh

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4 answers

The empirical formulae of a hydrocarbon is C2H3S has a molecular mass of 54.(C= 12, H=1.0) Determine the molecular formula of S.

asked Oct 26, 2021 in Chemistry Form 3 by hamdi900

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1 answer

what is acid

asked Oct 26, 2021 in Chemistry Form 1 by su6

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1 answer

what is acid

asked Oct 26, 2021 in Chemistry Form 1 by su6

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CO bond diagram

asked Oct 18, 2021 in Chemistry Form 2 by kt

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3 answers

what is an electrolyte

asked Oct 11, 2021 in Chemistry Form 2 by Llyke

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1 answer

Describe an experimental procedure that can be used to extract oil from nut seeds

asked Oct 9, 2021 in Chemistry Form 1 by PilotNC

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1 answer

a piece of chromatography paper was spotted with coloured inks obtained from pens

asked Oct 7, 2021 in Chemistry Form 1 by ryankk

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2 answers

give theI.U.P.A.C name of the oxide of nitrogen that relights a glowing splint

asked Oct 6, 2021 in Chemistry Form 3 by Wanjikumercy

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