Advertisements
Advertisements
प्रश्न
Name the process associated with the following
A fine beam of light entering through a small hole in a dark room illuminates the particles in its paths.
Advertisements
उत्तर
Tyndall effect – Scattering of light
APPEARS IN
संबंधित प्रश्न
Tick the most appropriate answer.
The constituents of a mixture are present in
- a fixed ratio
- a variable ratio,
- the ratio of 2: 1
- none of these
Is food that we eat a mixture ?
Indicate whether the following statement is true or false:
A compound is made up of just one kind of atom
Tick (√) the correct alternative from the choice given for the following statement
A metal which is brittle
The important physical properties of substances are colour, odour, nature, density & solubility in water.
Name – two coloured gases (with their colours)
Give the name of the radical - CO3
Who are my companions?
| Group 'A' | Group 'B' |
| 1. Stainless steel | (a) Non-metal |
| 2. Silver | (b) compound |
| 3. Bhajani mixture for milling | (c) Mixture |
| 4. Salt | (d) Element |
| 5. Coal | (e) Alloy |
| 6. Hydrogen | (f) Metal |
The first letter of an element is always written in ______ letter.
Name the constituents of water.
Name the two elements which are derived from the country.
