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प्रश्न
Complete the statement given below by filling in the blank with the correct word.
The basic unit of an element is an __________.
उत्तर
The basic unit of an element is an atom.
संबंधित प्रश्न
Tick (√) the correct alternative from the choice given for the following statement.
The compound used as common salt is
Select the correct answer from the choice given below.
An element which is a poor conductor of heat
Represent with the help of a simple chart how matter is classified into pure or impure substances & further into elements, compounds & mixtures, with elements further segmented.
Give three differences between elements & compounds with relevant examples.
Differentiate between homogenous & heterogeneous mixtures.
Select the correct answer from the choice given below to complete the sentence :
Compounds are ____________ in nature.
Give a reason for the following statement :
The filter paper made into a cone & placed in a funnel for filtering out the solid particles in a solid-liquid mixture should be moistened before placing it.
State true of false. If false, give the correct statement.
Two different elements may have similar atoms.
Classify the following as elements and compounds.
Water, Common salt, Sugar, Carbon dioxide, Iodine and Lithium
Match the following.
| 1. | Element | Made up of molecules |
| 2. | Compound | Impure substance |
| 3. | Colloid | Settles down on standing |
| 4. | Suspension | Pure substance |
| 5. | Mixture | Made up of atoms |
