The presence of which of the following salts in water causes
corrosion in steam boilers?
1 Sodium chloride
2 Magnesium chloride
3 Calcium bicarbonate
4 Potassium bicarbonate
Who is the oldest cosmonaut?
NO OF PLANT IN ONGC
WHY WE SMELL A SCENT AFTER RAIN?? BUT RAIN WATER IS PUREST FORM OF WATER WHICH IS ODOURLESS.
Which of the following is a protein? 1 Wool 2 Starch 3 Natural rubber 4 Cellulose
Which of the following is not a neutral oxide? 1 Carbon monoxide 2 Sulphur dioxide 3 Nitric oxide 4 Water
Photosynthesis is 1 An exothermic process 2 An endothermic process 3 A neutral process 4 A thermostatic process
How does a RCCB work? Difference between ELCB & RCCB?
Explain any four values that can be developed through teaching Physical Science
0 Answers Mahatma Gandhi University,
Describe the evolution of science and its impact on society
0 Answers Mahatma Gandhi University,
The wavelength of X-ray is of order of 1 1 cm 2 1m 3 1 Angstrom 4 10 micron
Explain how you can integrate Life skills in Science Teaching
0 Answers Mahatma Gandhi University,
Conversion of a substance directly from solid to vapour state is known as 1 Ionization 2 Evaporation 3 Vapourisation 4 Sublimation