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प्रश्न
State two uses each of the following compounds:
Hydrochloric acid
उत्तर
Hydrochloric acid:
(i) It is used for cleaning iron sheets before tin plating or galvanisation.
(ii) It is used in medicines and cosmetics.
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संबंधित प्रश्न
Metal compound A reacts with dilute hydrochloric acid to produce effervescence. The gas evolved extinguishes a burning candle. Write a balanced chemical equation for the reaction if one of the compounds formed is calcium chloride.
Complete and balance the following chemical equations
Na2 CO3 (s) + HCI (aq) →
Complete and balance the following chemical equations:
CuO (s) + HCI (aq) →
What ions are present in the solutions of following substances? (write the symbols only)
Hydrochloric acid
Define an acid and a base. Give two examples of each.
Hydrochloric acid reacts with a metal X to form a gas Y which burns with a 'pop' sound. Sodium hydroxide solution also reacts with the same metal X (on heating) to form the same gas Y.
Name X and Y
Explain the following:
Lead carbonate does not react with dilute HCl.
Which of the following salts does not contain any water of crystallisation?
______ change the colour of the indicators.
Which acid is present in milk?
