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प्रश्न
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_ ___.
उत्तर
From the elements – He, Br, Pt and O ; the element which is metallic is Pt, an inert element is He, forms a triatomic molecule is O, is liquid at room temperature is Br.
संबंधित प्रश्न
Give one example for the following type of mixtures
solid-solid homogenous mixture.
Tick the most appropriate answer
Solutions are
- heterogeneous mixtures.
- compounds
- homogeneous mixtures.
- elements
State four differences between compounds and mixtures.
Complete the statement with the correct words.
__________ are chemicals formed on reaction of a base with an _____ giving salt and water.
Select the correct answer to the statement given below:
The chemical name for dinitrogen oxide [N20].
Give a reason for the following statement:
Components in a mixture are present in varying proportions and not in a fixed proportion.
Select the correct answer from A, B, C, D & E for the statement given below :
A noble gas.
Higher Order Thinking Skills.
List out the metals, non-metals and metalloids which you use in your house, schools. Compare their properties.
Give two example of elements.
Match the following:
| 1. | Co2 | a. | Robert Boyle |
| 2. | Sulfur | b. | Making mobile phones |
| 3. | Element | c. | triatomic molecule |
| 4. | Gallium | d. | Polyatomic molecule |
