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प्रश्न
Give the name of the radical - NO3
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उत्तर
NO3 – nitrate
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संबंधित प्रश्न
Differentiate between:
Homogenous and heterogenous substances
Define: Formula
Name: Two substances used to make electric wires
Answer the following question:
What do you understand by the statement: ‘metals are ductile and malleable’?
State what are radicals. Give the names of the radicals –
(a) NO3
(b) OH
(c) SO4
(d) CO3
Complete the statement given below by filling in the blank with the correct word.
An element is a pure substance which cannot be broken down by physical or _________ methods.
Complete the statement given below by filling in the blank with the correct word.
From the elements nitrogen, chlorine, bromine, the element present in the atmosphere is ________.
Select the correct answer from A, B, C, D & E for the statement given below :
A mixture consisting of elements & a compound.
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 |
Elements contain the ______of the same kind.
