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प्रश्न
What do you observe when Phenolphthalein is added to sodium hydroxide solution.
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उत्तर
Solution turns pink
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संबंधित प्रश्न
What do you observe when Blue litmus paper is dipped in dilute hydrochloric acid.
Give two examples Basic oxide .
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Amphoteric oxide
A chemical reaction may be ‘reversible’ in nature. State the meaning of the term in italics.
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Lead carbonate
\[\ce{PbCO3->[\Delta]PbO + CO2}\]
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\[\ce{2Ca[NO3]2->[\Delta]2CaO + 4NO2 + O2}\]
Give a balanced equation for the formation of the following oxide –
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Give one example of –
A mixed oxide
Differentiate between the following:
An acidic oxide and a basic oxide.
