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प्रश्न
Oxides of metals are acidic in nature.
विकल्प
True
False
उत्तर
This statement is False.
Explanation:
Oxides of metals are generally basic in nature, not acidic. When dissolved in water, metal oxides typically form bases or alkaline solutions. For example:
- Sodium oxide (Na2O) reacts with water to form sodium hydroxide (NaOH).
- Calcium oxide (CaO) reacts with water to form calcium hydroxide (Ca(OH)2).
संबंधित प्रश्न
Give one example in the following case:
A base which is not an alkali.
Sodium hydroxide is a ______.
Bases are ______ in taste.
All bases are alkalis.
When the soil is too basic, plants do not grow well in it. To improve its quality what must be added to the soil?
A solution changes the colour of the turmeric indicator from yellow to red. The solution is
Water-soluble bases are called ______.
Match the following:
| 1. | Wasp sting | a. | Milk of magnesia |
| 2. | Common salt | b. | Acetic acid |
| 3. | Organic acid | c. | Sodium chloride |
| 4. | Antacid | d. | Vinegar |
What is the role of toothpaste in the prevention of tooth decay?
The nature of toothpaste commonly used is ______ in nature.
