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प्रश्न
Name: the Hardest Naturally Occurring Substance
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उत्तर
Diamond
APPEARS IN
संबंधित प्रश्न
Name: a Metal Which is brittle
Give one use of the following substance:
Iron
Give reason: A frying pan is made up of steel but its handle is made up of wood.
Answer the following question:
What do you understand by the statement: ‘metals are ductile and malleable’?
Find the atomicity of the Following molecule:
Calcium Chloride
Complete the statement given below by filling in the blanks with the correct words.
From the elements – He, Br, Pt, and O; the element which is metallic is ____, an inert element is ____, forms a triatomic molecule is ____, is liquid at room temperature is_ ___.
Write an answer to the following question in your own words.
Which elements (metals and non-metals), compounds and mixtures do we use in our day-to-day life?
Match the following.
| 1. | Element | Made up of molecules |
| 2. | Compound | Impure substance |
| 3. | Colloid | Settles down on standing |
| 4. | Suspension | Pure substance |
| 5. | Mixture | Made up of atoms |
______ is a mixture of gases.
Name the element which is used in toothpaste to strengthen our teeth.
