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प्रश्न
Tick (√) the correct alternative from the choice given for the following statement
A gaseous non-metal.
पर्याय
Oxygen
Diamond
Zinc
Graphite
Gold
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उत्तर
Oxygen
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संबंधित प्रश्न
Fill in the blank
A pure substance has definite.................. and constant ..............
Give Two Examples for Each of the Following: Non-metals
Give Two Examples for Each of the Following: Metalloids
Name: a non-metal which is lustrous
Name: the Hardest Naturally Occurring Substance
Define a pure substance. How many types of pure substances do you know?
Write the names of elements from the following symbol:
Ti
Select the correct answer from A, B, C, D & E for the statement given below :
A mixture consisting of elements & a compound.
The first letter of an element is always written in ______ letter.
Match the following:
| 1. | Co2 | a. | Robert Boyle |
| 2. | Sulfur | b. | Making mobile phones |
| 3. | Element | c. | triatomic molecule |
| 4. | Gallium | d. | Polyatomic molecule |
