Advertisements
Advertisements
प्रश्न
Tick (√) the correct alternative from the choice given for the following statement
A gaseous non-metal.
पर्याय
Oxygen
Diamond
Zinc
Graphite
Gold
Advertisements
उत्तर
Oxygen
APPEARS IN
संबंधित प्रश्न
Give Two Examples for Each of the Following: Non-metals
What is meant by 2H and H2
Give one use of the following substance:
Brass
Tick (√) the correct alternative from the choice given for the following statement.
All pure substances have
The important physical properties of substances are colour, odour, nature, density & solubility in water.
Name - a poisonous gas almost as heavy as air.
Give the name of the radical - SO4
Select the correct answer from the choice given below.
The element which is malleable
Select the correct answer from the choice given below.
A group of atoms of elements
With reference to elements – define the term ‘molecule’. Give two examples each of a monoatomic, diatomic & polyatomic molecule.
Match the following:
| 1. | Co2 | a. | Robert Boyle |
| 2. | Sulfur | b. | Making mobile phones |
| 3. | Element | c. | triatomic molecule |
| 4. | Gallium | d. | Polyatomic molecule |
