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361) Which radiation emitted from the sun has highest wavelength?
362) Which chemical is used for preserving fruit juices?
363) What is the major ingredient of leather?
364) Acetylene is used as Anaesthetic under which name
365) Which has the least penetrating power?
366) Which was the first atomic power reactor in India?
367) Which is a strong-smelling agent added to LPG cylinder to help in the detection of gas leakage?
368) Which metal is used for making boats because it does not corrode by seawater?
369) Which color of heat radiation represents the highest temperature?
370) During rainy seasons why do doors made up of wood swell up
Due to imbibition
371) If we sprinkle common salt on an earthworm, why does it die
Due to osmotic shock
372) With rise of boiling point of a water, what will be the latent heat of steam
373) Which acid is used in synthetic lemonade
374) Which compound does not give a positive test in Lassaigne’s test for nitrogen?
376) Which are the most commonly used chemicals in the artificial rain making or cloud seeding?
Silver Iodide (Agl)
377) Cooking gas is a mixture of which gases?
Butane and propane
378) Which colloidal solution is used in photography?
Colloidal Silver Bromite
379) Balloons are filled with which gas
380) Which component of the atmosphere has increased during the last 200 years?