Advertisements
Advertisements
प्रश्न
State whether the following reaction is oxidation or reduction.
\[\ce{Na->Na+}\]
पर्याय
Oxidation
Reduction
Advertisements
उत्तर
\[\ce{Na->Na+}\] – Oxidation
APPEARS IN
संबंधित प्रश्न
MULTIPLE CHOICE QUESTIONS
Tick the most appropriate answer.
Reduction is a chemical reaction in which there is
- removal of hydrogen
- removal of oxygen
- addition of oxygen
- none of these
Fill in the blank:
During a chemical reaction transfer of ________ takes place.
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.
Define the following term:
Precipitate
Write the chemical reaction where the following changes are observed.
Physical state is changed
Give reason for the following:
Colourless concentrated sulphuric acid in a test tube changes to blue on adding a small piece of copper to it.
Complete and balance the following reaction:
\[\ce{CuCO3 ->[\Delta]}\]
Name: A greenish-yellow gas.
What do you observe when Cl2 is passed through potassium iodide (KI) solution.
The percentage composition of Nitrogen in Ureas is ______.
