Acid with Alkali : Online IGCSE Chemistry Class

ACID WITH ALKALI: ONLINE IGCSE CHEMISTRY CLASS A universal indicator is used to measure the PH of given acid or base. There are many indicators used to measure the acidity of a solution. Among the indicators are Methyl Orange PH Meter Universal indicator Litmus Paper. Universal indicator Red shows that the solution is acidic while […]

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Planet Earth : Online IGCSE Chemistry Class

PLANET EARTH:ONLINE CHEMISTRY CLASS Question 1 What is the composition of gases in our atmosphere?   Oxygen 21 per cent oxygen. Carbon Dioxide 0.04% Nitrogen 78 per cent nitrogen¬† Inert Gas Argon makes up about 1% of the atmosphere¬† Question 2 Please list the sources of pollution and their solutions Pollution Sources Solutions Water Pollution […]

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