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प्रश्न
Select the correct answer from the choice given below.
The unreactive non-metallic element
पर्याय
chlorine
argon
sulphur
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उत्तर
argon
संबंधित प्रश्न
Define mixture.
Differentiate between the following.
Filter Paper and Alum
What are the different types of mixtures ?
Give two examples of the following.
Elements which are liquids
Mention three gaseous elements and write their molecular formulae
Indicate whether the following statement is true or false:
Ozone is a triatomic molecule
Classify substances into pure and impure substances in the form of a chart or tabulation.
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.
What are elements? What are they made of?
Match the following:
| 1. | Co2 | a. | Robert Boyle |
| 2. | Sulfur | b. | Making mobile phones |
| 3. | Element | c. | triatomic molecule |
| 4. | Gallium | d. | Polyatomic molecule |
