iS ELEMENT IRON RADIOACTIVE AND WHY?

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The group of metals Fe, Co, Ni may be best called as 1 Alkali metals 2 Rare metals 3 Main group metals 4 Transition metals

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Which are the units of functioning in vssc?

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Quartz crystals normally used in quartz clocks etc. is chemically 1 Sodium silicate 2 Germanium oxide 3 Silicon dioxide 4 None of these

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The gas usually filled in the eletric h\bulb is 1 Hydrogen 2 Oxygen 3 Nitrogen 4 Carbon dioxide

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tea will coll most easily in a:

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Who propounded the signs of the zodiac?

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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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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

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What is balanced diet? Give the everyday diet of a normal man.

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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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Which radioactive pollutant has recently drawn the attention of the public, due to its occurrence in the building material? 1 Radium 2 Radon 3 Thorium 4 Plutonium

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