Metal compound ‘R’ reacts with dilute sulphuric acid to produce effervescence of gas ‘S’ which extinguishes a burning candle. Write a balanced chemical equation for the reaction if one of the compounds formed is calcium sulphate.
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A → CaCO3 (Limestone)
Gas → CO2
Equation : CaCO3 + H2SO4 → CaSO4 + H2O + CO2
(b) (i) Milk of Magnesia : It is basic in nature. Stomach produces dil. HCI. When suffering from indigestion, more add is produced, this causes irritation. Antacid neutralises some acid and then gives relief.
(ii) Soil is acidic : Farmer wants to neutralise some acid and hence adds basic substances like CaO or CaCO3 to it.
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candle is very good gta5 in the
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