The rate of chemical reaction does not depend upon
1 Concentration
2 Catalyst
3 Temperature
4 Pressure
Why is ice wrapped in gunny sacks to prevent it from melting
Caustic soda is 1 NaC1 2 Na2CO3 3 NaOH 4 NaHCO3
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
it is not advisable to sleep under a tree at night becouse trees release
Which comet collided with jupiter?
Explain the role of Science for sustainable Development
0 Answers Mahatma Gandhi University,
In which of the following processes, is vanadium pent oxide used as a catalyst? 1 Contact process 2 Haber’s process 3 Solvay process 4 None of these
Polythene is industrially prepared by the polymerization of 1 Methane 2 Styrene 3 Acetylene 4 Ethylene
3 Answers Amna Industries, HFI,
The final products of combustion of ethane are 1 Carbon and oxygen 2 Ethylene and Hydrogen 3 Water and Carbon monoxide 4 Carbon dioxide and water
When was the indian made rocket “ rohini ” launched from thumba?
BARC CHIF
The filament of an electric bulb is made of 1 Iron 2 Nichrome 3 tungsten 4 Graphite
9 Answers Germanium, Google, Graphite India, Tungsten,