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प्रश्न
Give the name and formula of two : Non-volatile acids
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उत्तर
(i) Sulphuric acid H2SO4
(ii) Hydrogen chloride HCl
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संबंधित प्रश्न
Write a balanced chemical equation for the reaction of sodium hydroxide solution with iron (III) chloride solution
State some of the uses of mineral acids in industry.
Give the appropriate term defined by the statements given below :
The substance that releases hydronium ion as the only positive ion when dissolved in water.
Identify the following solutions, whether they are acid or base.
| Solution | Change in Indicator | Acid/Base | ||
| Litmus | Phenolphthalein | Methyl orange | ||
| 1. | -- | No change | -- | |
| 2. | -- | -- | Orange colour turns red | |
| 3. | Red litmus turns blue | -- | -- | |
Fill in the blank
The word acid comes from latin word acidus meaning _________
Acid mixed with base forms ______.
Fill in the cross word given in figure with the help of the clues provided.
Across
(2) The solution which does not change the colour of either red or blue litmus.
(4) Phenolphthalein gives pink colour in this type of solution.
(7) Colour of blue litmus in lemon juice.
Down
(1) It is used to test whether a substance is acidic or basic.
(3) It is a natural indicator and gives pink colour in basic solution.
(5) Nature of ant’s sting.
(6) It is responsible for the increase in temperature during a neutralisation reaction.
Acids are ______ in taste.
Complete the following equation.
ZnO + 2HCl → ______ + ______.
Draw the structure of Hydronium ion.
