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प्रश्न
Complete the following table and write one equation for each to justify the statement:
|
Reactants |
Products |
Method |
|
Soluble base + Acid (dil) |
Salt + water |
Neutralisation Titration |
|
Metal + Non-metal |
Salt (soluble/insoluble) |
______ |
|
Insoluble base + ______ |
Salt (soluble) + water |
______ |
|
Active metal + Acid (dil) |
______ + ______ |
______ |
|
Soluble salt solution (A) + Soluble salt solution (B) |
Precipitated salt + Soluble salt |
______ |
|
Carbonate/bicarbonate + Acid (dil) |
Salt + ______ + ______ |
Decomposition of carbonate |
|
Chlorides/nitrates + Acid (conc.) |
______ + ______ |
Decomposition of chlorides and nitrates |
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उत्तर
|
Reactants |
Products |
Method |
|
Soluble base + Acid (dil) |
Salt + water |
Neutralisation Titration |
|
Metal + Non-metal |
Salt (soluble/insoluble) |
Direct Combination |
|
Insoluble base + Acid |
Salt (soluble) + water |
Neutralisation |
|
Active metal + Acid (dil) |
Salt + Hydrogen |
Displacement |
|
Soluble salt solution (A) + Soluble salt solution (B) |
Precipitated salt + Soluble salt |
Precipitation |
|
Carbonate/bicarbonate + Acid (dil) |
Salt + Water + Carbon dioxide |
Decomposition of carbonate |
|
Chlorides/nitrates + Acid (conc) |
Acid salt + HCl/HNO3 |
Decomposition of chlorides and nitrates |
संबंधित प्रश्न
Name one natural source of the following acids:
Citric acid
A white shirt has a yellow stain of curry. When soap is rubbed on this shirt during washing, the yellow stain turns reddish-brown. On rinsing the shirt with plenty of water, the reddish-brown stain turns yellow again.
Name the natural indicator present in curry stain.
A white shirt has a yellow stain of curry. When soap is rubbed on this shirt during washing, the yellow stain turns reddish-brown. On rinsing the shirt with plenty of water, the reddish-brown stain turns yellow again.
Explain the changes in colour of this indicator which take place during washing and rinsing the shirt.
Why is it wrong to treat a bee sting with vinegar?
Name the acid present in vinegar.
Do basic solutions also have H+(aq)? Why are they basic?
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 | -- | -- | |
Write the chemical name from the given formula.
H2SO4
State whether the following statement is true or false. Correct the false statement.
Lemon water is basic in nature.
When an acidic solution is mixed with a basic solution, they ______ each other forming ______ and water.
