Advertisements
Advertisements
Question
State whether the following reaction is oxidation or reduction.
\[\ce{Na->Na+}\]
Options
Oxidation
Reduction
Advertisements
Solution
\[\ce{Na->Na+}\] – Oxidation
APPEARS IN
RELATED QUESTIONS
State whether the following statement is true or false. In case a statement is false, write the corrected statement.
Condensation of steam is not a chemical change.
True or false
New substances are formed in a chemical change.
Name the type of chemical reaction shown by the following equation:
2Mg + O2 → 2MgO
Write your observation and a balanced equation in the case of the following substances being heated.
Copper carbonate.
Write your observation and a balanced equation in the case of the following substances being heated.
Ammonium chloride
Complete the table given below.
| Heat on copper carbonate | Test for gas evolved |
Which of the following is/are true when milk changes into curd?
- Its state is changed from liquid to semi solid.
- It changes colour.
- It changes taste.
- The change cannot be reversed.
Choose the correct option from below:
State whether the following statement is true or false:
When a candle burns, both physical and chemical changes take place.
Rusting of iron is ______.
Galvanization is a process in which ______ is coated as a layer of iron.
