What is the significance of international geo - physical year?

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171.116.0.0 VLSM require 112 ip addresses answer = 128/23 255.255.254.0 rang 2 network address 172.116.0.0 gateway 172.116.1.0 broadcast 172.116.127.0

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Explain about the methods of sterilization of DMEM?

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Radioactive disintegration of uranium ultimately results in formation of 1 Radium 2 Thorium 3 Polonium 4 Lead

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What is the Organic Evolution ?

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What is the speed of arihant?

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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

1 Answers   ACIO, RRB,

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What is the Biology ?

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Titanium is purified by 1 Zone refining 2 Electrolysis 3 Van Arkel method 4 Hydraulic washing

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Bell metal is an alloy of 1 Brass an nickel 2 Zinc and copper 3 Tin and copper 4 None of these

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Which of the following is a chemical change? 1 Rusting of iron 2 Tempering of iron 3 Melting of iron 4 Bending of iron

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Which of the following gases is obtained by the reaction of copper with dilute nitric acid is 1 NO2 2 N2O5 3 O2 4 NO

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