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प्रश्न
Classify the substances given in Fig. 2.2 into elements and compounds
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उत्तर
Elements – Cu, Zn, F2, O2, diamond (C), Hg
Compounds – CaCO3, H2O,
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संबंधित प्रश्न
Give two examples for the following: Metals
Give two examples of Metals.
Define:
Atomicity
Find the atomicity of the Following molecule:
Calcium Chloride
Indicate whether the following statement is true or false:
A compound is made up of just one kind of atom
Indicate whether the following statement is true or false:
Noble gases are high reactive
Tick (√) the correct alternative from the choice given for the following statement
A non-metal which is a good conductor of electricity.
Write the names of elements from the following symbol:
Si
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?
Give an example of two liquids that form heterogeneous mixtures.
