What is the Respiration ?

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Which of the following gases is used as an illuminant in lamps used by hawkers? 1 Methane 2 Ethylene 3 Acetylene 4 Hydgrogen

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Which of the following metals is a better conductor of electricity? A. Silver B. Copper

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when u step up the voltage using atransformer ,,,then what about the secondary current will it be increased or decreased ?

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Permanent hardness of water, due to sulphates of the metal, can be destroyed by the use of 1 Nitrates 2 Zeolites 3 Sulphontes 4 None of these

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The dark lines in the solar spectrum are due to 1 Absorption of corresponding wavelengths by the prism used in he spectrograph 2 Destructive interference between waves of certain definite wavelengths 3 Absorption of corresponding wavelengths by the outer layers of the sun 4 None of these

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any one who has interviewed at noida for SBI clerk i have my interview call on 23.10.2008

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BARC CHIF

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Which of the following is called a strategic metal? 1 Silicon 2 Germanium 3 Titanium 4 Uranium

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Galvanized iron sheets have a coating of 1 Tin lead 2 Zinc 3 Chromium 4 Lead

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What is one light minute?

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The gases used in different types of welding would include 1 Oxygen and hydrogen 2 Oxygen, acetylene and argon 3 Oxygen and acetylene 4 None of these

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