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प्रश्न
Give reason: Graphite is used to make a lead of the pencils.
उत्तर
Graphite leaves mark on the paper and makes it black.
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संबंधित प्रश्न
Tick the most appropriate answer
Solutions are
- heterogeneous mixtures.
- compounds
- homogeneous mixtures.
- elements
Name: the Hardest Naturally Occurring Substance
Give two examples of the following.
Non-metals which are lustrous
Give two examples of the following.
Elements which are liquids
Give one use of the following substance:
Iron
Fill in the blank
A diatomic gaseous element is _______.
Tick (√) the correct alternative from the choice given for the following statement
The hardest naturally occurring substance
Complete the statement with the correct words.
Acid’s are chemicals which are _____ in taste and derived from plants and ________.
Select the correct answer to the statement given below:
A metalloid
Elements are broadly classified into metals and non-metals. State six general differences in the physical properties of metals and non-metals. State two metals and two non-metals which contradict with the general physical properties – giving reasons. State one difference in property between metalloids and noble gases.
