Advertisements
Advertisements
प्रश्न
Name an acid used to remove ink spots.
Advertisements
उत्तर
Oxalic acid
APPEARS IN
संबंधित प्रश्न
Three solutions P, Q and R have pH value of 3.5, 5.2 and 12.2 respectively. Which one of these is a:
- Weak acid?
- Strong alkali?
What happens during a bee sting? What is its remedy?
The salt which will give an acidic solution on dissolving in water is ______.
Name an acid used to flavor and preserve food.
Name an acid used in a drink.
Write balanced equation to satisfy the following statement:
\[\ce{Acid + sulphide -> Salt + Hydrogen sulphide}\]
You are supplied with five solutions: A, B, C, D and E with pH values as follows: A = 1.8, B = 7, C = 8.5, D = 13, and E = 5
Classify these solutions as neutral, slightly or strongly acidic and slightly or strongly alkaline.
Which solution would be most likely to liberate hydrogen with magnesium powder. Give a word equation for each reaction.
Out of HCl and CH3COOH, which one is a weak acid and why? Describe an activity to support your answer.
Since metal carbonate and metal bicarbonate are basic, they react with acids to give salt and water with the liberation of ______.
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 |
