The neutral atom’s two isotopes differ in the number of
1 Electron shells
2 Protons
3 Valence electrons
4 Neutrons
The chemical (ethyl merceptan) added to the otherwise odorless LPG cooking gas for imparting a detectable smell to the gas is a compound of 1 Sulphur 2 Fluorine 3 Chlorine 4 Bromine
Which of the following gases is lighter than air? 1 Carbon dioxide 2 Oxygen 3 Ammonia 4 Chlorine
Which of the following types of photons has the highest energy? 1 Visible radiations 2 Radio waves 3 Gamma rays 4 X-rays
What is the microbiology ?
What do you understand by nutritive constituents of food ?
Name any two modern branches of Physical Science
0 Answers Mahatma Gandhi University,
Chemical change does not take place in case of 1 Souring of milk into curd 2 Rusting of iron in atmosphere 3 Burning of magnesium ribbon in air 4 emitting of light by a red hot platinum wire
3 Answers Banking, Eastern Railway,
Which of the following metals react with nitrogen at room temperature to form nitride? 1 Sodium 2 Potassium 3 Magnesium 4 None of these
On what basis Friability limit NMT 1.0%w/w is recommended. what is impact on formulation if this limit exceeds.
Photosynthesis is 1 An exothermic process 2 An endothermic process 3 A neutral process 4 A thermostatic process
Ozone attacks 1 Mercury and silver 2 Copper 3 Silver and iron 4 None of these
The element nickel is a 1 Magnetic metal 2 Radioactive metal 3 Non magnetic metal 4 Complex element