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प्रश्न
Indicate whether the following statement is true or false:
Metals can be polished.
पर्याय
True
False
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उत्तर
True
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संबंधित प्रश्न
Fill in the blank
Chalk powder dissolved in water is an example of a Chalk powder dissolved in water is an example of a _________.
What is the difference between a pure substance and a mixture ?
Indicate whether the following statement is true or false:
Molecules combine to form atoms
Complete the statement given below by filling in the blanks with the correct words.
Atom contains ________ , with positively charged _____.
Select the correct answer from the choice given below.
A group of atoms of elements
Write the names of elements from the following symbol:
Ti
‘An atom is the basic unit of an element’. Draw a diagram of an atom – divisible as seen today.
Give an example of two liquids that form heterogeneous mixtures.
Match the following:
| 1. | Co2 | a. | Robert Boyle |
| 2. | Sulfur | b. | Making mobile phones |
| 3. | Element | c. | triatomic molecule |
| 4. | Gallium | d. | Polyatomic molecule |
Give an account of elements known to us.
