Of the following metals which, one pollutes the air of a big
city?
1 Copper
2 Chromium
3 Lead
4 Cadmium
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What are different constituents of food? Explain
14 Answers College School Exams Tests, DHMCT, HCL,
Write two characteristics of Science.
0 Answers Mahatma Gandhi University,
The property of a substance to absorb moisture from the air on exposure is called 1 Osmosis 2 Dessication 3 Efflorescence 4 Deliquescence
The correct sequence of various regions I absorption spectrum is 1 Visible, ultraviolet, microwave, infra red 2 Infra red, gamma rays, ultraviolet, microwave 3 Ultra violet, visible, infra red, microwave 4 None of these
Which is the research reactors of bhabha atomic research centre?
When was the first rocket launched from thumba?
is there any device to convert to mechanical energy into electrical energy
The major constituents of Portland cement include 1 Lime, silica and iron oxide 2 Lime, silica and magnesia 3 Silica, alumina and magnesia 4 Lime, silica and alumina
What is super nova?
difference between typewriter and computer?
The main important feature of neutron bomb is that when it is dropped on a city, it would damage 1 Both the living organisms and buildings 2 The buildings but not the living organisms 3 The living organisms but spare buildings 4 None of these
3 Answers GTY, Indian Railways, Option 3, RRB, RRC Railway Recruitment Cell,
‘No two electrons in an atom can have the same set of four quantum numbers’ is 1 Bohr’s law 2 Aufbau principle 3 Newton’s law 4 Pauli’s exclusion principle