Advertisements
Advertisements
प्रश्न
What do you observe when Calcium is heated and then tested with moist blue and red litmus – paper?
एक पंक्ति में उत्तर
Advertisements
उत्तर
Calcium : Red litmus turns blue.
shaalaa.com
क्या इस प्रश्न या उत्तर में कोई त्रुटि है?
APPEARS IN
संबंधित प्रश्न
Name the main components of air.
Statement given below is incorrect. Write the correct statement :
Symbiotic bacteria are present in nodules of cereal plants such as wheat.
Write down the composition of three main gases present in air by volume.
Define the following:
Combustion.
State the utility of oxygen for respiration in plants
How will you prove that soil contains air in it?
______ is the active component of air.
Inhaled air contains a large amount of carbon-di-oxide.
Whales come up to the water surface to breathe in oxygen.
Match the following:
| 1. | More industrial cities | a. | dust particles |
| 2. | Coastal areas | b. | Humidity |
| 3. | Rainy season | c. | Carbon dioxide |
| 4. | Windy places | d. | water vapour |
