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प्रश्न
Give two examples of the following.
Metals which are soft
उत्तर
Lead and Sodium
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संबंधित प्रश्न
Indicate whether the following statement is true or false:
Elements are made up of compounds
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.
Sugar is a compound which consists of the elements
Tick (√) the correct alternative from the choice given for the following statement.
Brass and bronze are
Tick (√) the correct alternative from the choice given for the following statement
The hardest naturally occurring substance
Complete the statement with the correct words.
_______ are chemicals which are hydroxide (or oxides) of ______ eg. sodium hydroxide.
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_ ___.
Select the correct answer to the statement given below:
A non-metal which exists in the liquid state.
With reference to elements – define the term ‘molecule’. Give two examples each of a monoatomic, diatomic & polyatomic molecule.
Give a reason for the following statement :
Brass & bronze are examples of mixtures, while copper sulphate & lead nitrate are examples of compounds.
