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प्रश्न
Name: a non-metal which is lustrous
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उत्तर
Iodine
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संबंधित प्रश्न
Tick the most appropriate answer.
How many times is a proton heavier than an electron?
- 1500
- 1800
- 1840
- none of these
Differentiate between:
Homogenous and heterogenous substances
Give two examples of Metals.
Give two examples of the following.
Non-metals which are solids
Give reason: A frying pan is made up of steel but its handle is made up of wood.
Indicate whether the following statement is true or false:
A compound is made up of just one kind of atom
Write the names of elements from the following symbol:
Cd
Represent with the help of a simple chart how matter is classified into pure or impure substances & further into elements, compounds & mixtures, with elements further segmented.
Define the term ‘compound’. In the compound carbon dioxide – the elements carbon & oxygen are combined in a fixed ratio. Explain.
Reason out
Elements are called semimetals.
