Advertisements
Advertisements
प्रश्न
State the following reaction represent oxidation or reduction.
\[\ce{Al->Al+++}\]
विकल्प
oxidation
reduction
Advertisements
उत्तर
oxidation
\[\ce{Al->Al+++}\]
APPEARS IN
संबंधित प्रश्न
What are (i) positive catalysts and (ii) negative catalysts? Support your answer with one example for each of them.
TRUE \ FALSE
Temperature at which a liquid starts boiling is known as the boiling point of that liquid. True or false ?
Write a short note on the information derived from a balanced chemical equation.
Complete the statement by filling the gaps using appropriate term from the terms given in the bracket.
(slow, coloured, arrow, fast, smell, milky, physical, product, chemical, reactant, covalent, ionic, octet, duplet, exchange, sharing, equality sign)
Rusting of iron is a ______ chemical change.
What is a chemical reaction?
Define the following term:
Precipitate
Write the chemical reaction where the following changes are observed.
Precipitate is formed
Select the correct answer for the following options:
The black residue obtained on heating copper carbonate.
Give a balanced equation for the conversion of an ammonium salt to a basic gas.
A student took a solution of copper sulphate in a beaker and put a clean iron nail into it and left it for about an hour.
Are these changes chemical in nature?
