Advertisements
Advertisements
प्रश्न
What do you observe when Phenolphthalein is added to sodium hydroxide solution.
उत्तर
Solution turns pink
APPEARS IN
संबंधित प्रश्न
Fill in the blank .
Soluble bases are called ............
What do you observe when Blue litmus paper is dipped in dilute hydrochloric acid.
What do you observe when Lead nitrate is heated.
A chemical reaction may be ‘reversible’ in nature. State the meaning of the term in italics.
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 nitrate
\[\ce{2Ca[NO3]2->[\Delta]2CaO + 4NO2 + O2}\]
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 the example of the acidic oxide, basic oxide, amphoteric oxide and neutral oxide. State which of the oxide react with a base to give salt and water.
Differentiate between the following:
An acidic oxide and a basic oxide.
