Advertisements
Advertisements
प्रश्न
Classify the following as physical or chemical properties
Most metal oxides form alkalis on interacting with water.
Advertisements
उत्तर
Chemical property
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
Negatively charged ions are called ..........
State four conditions necessary for chemical reactions to take place.
Complete the statement by filling the gap using an 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)
An ______ is drawn in between the reactants and products while writing the equation for a chemical reaction.
Multiple choice:
Thermal decomposition of sodium carbonate will produce
Complete the table given below.
| Flame test for calcium chloride | Acid used for flame test |
Give a balanced equation for a reaction involving the evolution of gas on the addition of dilute acid to sodium sulphite.
Silver metal can displace hydrogen gas from nitric acid.
Silver articles turning black: ______:: Boiling of H2O: physical change ______.
The chemical name of baking soda is sodium bicarbonate.
