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Old-written material, which cannot be read easily, can be
read by
1 Cosmic rays
2 Ultraviolet rays
3 Infra red rays
4 None of these
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- ACIO, RRB, I also Faced
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Which of the following characteristics is not-shown by hydrogen? 1 It burns in air to form water 2 It supports combustion 3 It combines with almost all the metals forming hydrides 4 None of these
what is CAPITA in accounts?
what would be the fate of life on earth 10 yrs down the lane.
The Indian variety of which of the following plant has been proved to be the greatest pollution fighter in India: 1) Tea 2) Jute 3) Mustard 4) Groundnut
The wavelength of X-ray is of order of 1 1 cm 2 1m 3 1 Angstrom 4 10 micron
The first synthetic fiber made by man was 1 Rayon 2 Nylon 3 Polyester 4 Terycott
What is condensation? 1 Change of gas into solid 2 Change of solid into liquid 3 Change of vapour into liquid 4 Change of heat energy into cooling energy
Which of the following is used to coagulate synthetic fibers from solution? 1 Hydrochloric acid 2 Sulphuric acid 3 Nitric acid 4 None of these
What is voltage? ?? What type of of show voltage. ?? Practillay how's voltage?
Mesons are found in 1 ?-rays 2 Laser beam 3 X-rays 4 Cosmic rays
3 Answers ABC, Indian Army, JSSC,
Polythene is industrially prepared by the polymerization of 1 Methane 2 Styrene 3 Acetylene 4 Ethylene
3 Answers Amna Industries, HFI,
Brass gets discolored in air because of the presence of which of the following gases in air? 1 Carbon dioxide 2 Oxygen 3 Hydrogen sulphide 4 Nitrogen
Biological Sciences 
