plants in a food chain are actually the
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Answer / sambit kumar
A) transitory organism B) producers C) transducers D) key
industry organisms
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Carbon tetrachloride fire extinguisher should not be used in closed rooms, because it produces a poisonous gas called 1 Carbon monoxide 2 Phosphine 3 Phosgene 4 None of these
Which of the following is commonly called a ‘polyamide’? 1 Rayon 2 Orlon 3 Terylene 4 Nylon
The element nickel is a 1 Magnetic metal 2 Radioactive metal 3 Non magnetic metal 4 Complex element
When and where was the first experimental atomic explosion took place?
Potassium permanganate is used for purifying drinking water, because 1 It is dissolves the impurities of water 2 It is a sterilizing agent 3 It is an oxidizing agent 4 It is a reducing agent
Who was the first cosmonaut?
How many colours the sunlight spectrum has ? 1 Five 2 Three 3 Seven 4 Nine
The human skull rests on which bone? a)Manubrium b)Atlas c)Mandible d)Sternum
describe the function of muscles
The combustible material at the tip of a safety match sitck is 1 Sulphur 2 Manganese dioxide 3 Phosphorus 4 Antimony sulphide
What is range of sagarika?
What is voltage? ?? What type of of show voltage. ?? Practillay how's voltage?