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प्रश्न
Complete the statement with the correct words.
Acid’s are chemicals which are _____ in taste and derived from plants and ________.
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उत्तर
Acids are chemicals which are sour in taste and derived from plants and minerals.
संबंधित प्रश्न
Choose the most appropriate answer
A solvent of Iodine is
Fill in the blank
A pure substance has definite.................. and constant ..............
Tick the most appropriate answer.
How many times is a proton heavier than an electron?
- 1500
- 1800
- 1840
- none of these
Give the symbols of: Carbon, calcium, copper, chlorine, cobalt, argon.
Give two examples of Metals.
Give two examples of the following.
Metals which are soft
Fill in the blank
A metal which is a liquid at room temperature is _______.
Indicate whether the following statement is true or false:
Noble gases are high reactive
Match the separation of components in List I with the most appropriate process in List II.
| List I | List II |
| 1. Naphthalene from naphthalene & sodium chloride. | A: Separating funnel |
| 2. Cream from milk. | B: Sublimation |
| 3. Kerosene oil from kerosene oil & water. | C: Boiling |
| 4. Lead nitrate from an aqueous solution of lead nitrate. | D: Centrifugation |
| 5. Ammonia from an aqueous solution of ammonia. | E: Distillation |
Name the constituents of water.
