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प्रश्न
Classify the following as physical or chemical properties
Most metal oxides form alkalis on interacting with water.
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उत्तर
Chemical property
APPEARS IN
संबंधित प्रश्न
State whether the following statement is true or false. In case a statement is false, write the corrected statement.
Iron pipes coated with zinc do not get rusted easily.
Complete and balance the following chemical equations
NaCI + `AgNO_3` `→`
MULTIPLE CHOICE QUESTIONS
Tick the most appropriate answer.
Reduction reaction is the exact opposite of
- displacement reaction
- decomposition reaction
- oxidation reaction
- none of these
Balance the following equation :
Fe + H2O → Fe3O4 + H2
Explain by writing a word equation.
Respiration is a chemical change.
Give reason for the following:
Electrolytic decomposition of water is a reaction involving change of state.
Name the following:
The type of change physical or chemical involved – ‘during respiration in human beings’.
Complete the table given below.
| Addition of dil. H2SO4 to zinc | Test for gas evolved |
State whether the following statement is true or false:
When a candle burns, both physical and chemical changes take place.
Beating an egg to make a cake is a ______.
