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प्रश्न
State the term:
Different forms of an element found in the same physical state.
उत्तर
Allotropes
APPEARS IN
संबंधित प्रश्न
Answer the following question
Why is diamond very hard?
Give two uses of graphite.
Fill in the blank
.............is formed when charcoal is burnt in a limited supply of air.
Give balanced equations for the following chemical reactions:
(a) wood charcoal and cone, nitric acid
(b) coke and steam
(c) wood charcoal and lead monoxide.
TRUE \ FALSE
Synthetic diamonds are used for cutting glass and drilling rocks.
Why does diamond sparkle?
Define the term ‘allotropy’. Give a reason why carbon exhibits allotropy.
State the reasons for use of diamond as an item of jewellery.
‘Wood charcoal – an amorphous aliotrope of carbon reduces heated metallic oxides to metals.’ Give a balanced equation to support the statement.
Complete the statement by filling the blank with the correct word from the option.
A graphite-clay mixture baked at high temperature is used in making ______.
