Advertisements
Advertisements
प्रश्न
Define: Formula
Advertisements
उत्तर
Formula: Formula is a short way of representing the molecule of an element or a compound
APPEARS IN
संबंधित प्रश्न
Is food that we eat a mixture ?
Name the substance you will add to speed up sedimentation.
Give Two Examples for Each of the Following: Inert Gases
Fill in the blank
A metal which is a poor conductor of electricity is _______.
The important physical properties of substances are colour, odour, nature, density & solubility in water.
Name – a gas with a pungent, choking odour which is lighter than air
Write the names of elements from the following symbol:
Br
Write an answer to the following question in your own words.
Which elements (metals and non-metals), compounds and mixtures do we use in our day-to-day life?
Give an example of two liquids that form heterogeneous mixtures.
Water contains _____ and _____ element.
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 |
