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प्रश्न
If iron reacts with dilute sulphuric acid, what will be the products?
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उत्तर
Iron reacts with dilute sulphuric acid as :
Fe + H2SO4 → FeSO4 + H2.
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संबंधित प्रश्न
How will you test for the presence of this gas?
Bee sting contains ______.
The salt which will give an acidic solution on dissolving in water is ______.
Do basic solutions also have H+(aq)? Why are they basic?
Write balanced equation to satisfy the following statement:
\[\ce{Acid + Base -> Salt + water}\]
State one observation for each of the following :
A small piece of zinc is added to dilute hydrochloric acid
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 | -- | -- | |
Which are the industrial uses of acids?
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.
You are provided with four test tubes containing sugar solution, baking soda solution, tamarind solution, salt solution. Write down an activity to find the nature (acidic/basic/neutral) of each solution.
