Advertisements
Advertisements
प्रश्न
What do you observe when Blue litmus paper is dipped in dilute hydrochloric acid.
Advertisements
उत्तर
Blue litmus turns red in an acid solution.
APPEARS IN
संबंधित प्रश्न
Fill in the blank .
Soluble bases are called ............
What do you observe when Phenolphthalein is added to sodium hydroxide solution.
Give two examples of oxides.
Acidic oxide.
Give two examples of oxides.
Amphoteric oxide
Give a balanced equation for the reversible catalytic reaction involving sulphur dioxide as one of the reactants.
Certain thermal decomposition reaction, resulting in the formation of the oxide. Give a balanced equation for the thermal decomposition of the following, which result in the formation of metallic oxide.
Limestone
\[\ce{CaCO3->[\Delta]CaO + CO2}\]
Certain thermal decomposition reaction, resulting in the formation of the oxide. Give a balanced equation for the thermal decomposition of the following, which result in the formation of metallic oxide.
Lead carbonate
\[\ce{PbCO3->[\Delta]PbO + CO2}\]
Certain thermal decomposition reaction, resulting in the formation of the oxide. Give a balanced equation for the thermal decomposition of the following, which result in the formation of metallic oxide.
Calcium hydroxide
\[\ce{Ca[OH]2->[\Delta]CaO + H2O}\]
Give a balanced equation for the formation of the following oxide –
Zinc oxide from a metal
Give a balanced equation for the formation of the following oxide –
Lead oxide from a mixed Oxide.
