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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 |
APPEARS IN
संबंधित प्रश्न
When a piece of limestone reacts with dilute HCl, a gas X is produced. When gas X is passed through lime water then a white precipitate Y is formed. On passing excess of gas X, the white precipitate dissolves forming a soluble compound Z.
- What are X, Y and Z?
- Write equations for the reactions which take place:
- When limestone reacts with dilute HCl.
- When gas X reacts with lime water to form white precipitate Y.
- When excess of gas X dissolves white precipitate Y to form a soluble compound Z.
What happens when bases react with non-metal oxides? Explain with the help of an example. What does this reaction tell us about the nature of non-metal oxides?
What do you understand by the term, acid?
Define the term ‘basicity’ of an acid.
Acids are bitter in taste.
Vinu and Priyan take their lunch at school. Vinu eats lemon rice and Priyan eats curd rice. Both lemon rice and curd rice are sour in taste. What is the reason?
Two acids ‘A’ and ‘B’ are given. Acid A gives one hydrogen ion per molecule of the acid in solution. Acid B gives two hydrogen ions per molecule of the acid in solution.
- Find out acid A and acid B.
- Which acid is called the King of Chemicals?
Hydrochloric Acid reacts with metal bicarbonates to give ______.
Match the following:
| 1. | The hardest substance in our body | a. | Aluminum phosphate |
| 2. | Citrus fruits | b. | Potash alum |
| 3. | Rice plant | c. | Insoluble in water |
| 4. | Double salts | d. | Acidic soil |
| 5. | Silver chloride | e. | Calcium phosphate |
| f. | Alkaline soil |
Explain the following:
H3PO3 is not a tribasic acid.
