Advertisements
Advertisements
प्रश्न
Select the correct answer from the choice given below to complete the sentence :
Compounds are ____________ in nature.
पर्याय
homogenous or heterogenous
always homogenous
Advertisements
उत्तर
Compounds are always homogenous in nature.
APPEARS IN
संबंधित प्रश्न
Choose the most appropriate answer
A solvent of Iodine is
What is the difference between a pure substance and a mixture ?
How is sodium chloride different from its constituent elements, sodium and chlorine in its properties? Justify.
Define: Formula
Fill in the blank
The most abundant element in the atmosphere is _______.
Tick (√) the correct alternative from the choice given for the following statement.
All pure substances have
With reference to elements – define the term ‘molecule’. Give two examples each of a monoatomic, diatomic & polyatomic molecule.
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 are made up of______ kinds of atoms.
______ is the life-giving element is the air.
