Advertisements
Advertisements
प्रश्न
Select the correct answer from the choice given below to complete the sentence :
Dust in air is an example of _________ mixture.
विकल्प
heterogeneous
homogenous
Advertisements
उत्तर
Dust in the air is an example of a Homogenous mixture.
APPEARS IN
संबंधित प्रश्न
How is sodium chloride different from its constituent elements, sodium and chlorine in its properties? Justify.
Give two examples of the following.
Inert gases
Name: Three different forms of carbon
Find the atomicity of the Following molecule:
Dinitrogen Oxide
Fill in the blank
A diatomic gaseous element is _______.
Tick (√) the correct alternative from the choice given for the following statement
The most ductile metal.
Match the statements in List I – 1 to 10 correct answers in List II-A to J.
| List I | LIst II | ||
| 1 | Fluorine and chlorine | A | Nitrogen |
| 2 | A diatomic molecule | B | Boron |
| 3 | A molecule containing the elements hydrogen and oxygen. | C | Reactants |
| 4 | A metalloid - showing properties of both metals and non-metals. | D | Chemical Formula |
| 5 | The term used for the substances which take part in the chemical reaction | E | Halogens |
| 6 | The term represents a substance by means of symbols. | F | Water |
| 7 | The term used for the substances formed as a result of a chemical reaction | G | Nitric Acid |
| 8 | A compound containing one atom of zinc and two atoms of chlorine. | H | Products |
| 9 | The chemical name for nitrogen monoxide. | I | Phosphorus |
| 10 | A polyatomic molecule. | J | Zinc Chloride |
Select the correct answer from A, B, C, D & E for the statement given below :
A mixture consisting of elements & a compound.
Non-metal conducting electricity :______ :: Metal conducting electricity : Copper
Give an example for the elements derived from their Latin names.
