Which of the following metals can displace zinc from a solution of zinc sulphate? 1 Lead 2 Magnesium 3 Iron 4 Mercury

2 Answers  

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example for navigation satellite?

1 Answers   ISRO, MPPGENCO,

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Which of the following materials are used for preparing blur-black ink? 1 Gallic acid 2 Tannic acid 3 Ferrous sulphate 4 All of these

3 Answers   IOCL,

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Graphite and sillimanite are 1 Refractory minerals 2 Ferrous minerals 3 Base minerals 4 None of these

1 Answers  

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Science is both a process and product-Substantiate

0 Answers   Mahatma Gandhi University,

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Which of the following acids is used for ‘etching glass’? 1 HBrO3 2 H2F2 3 HCIO4 4 HIO4

1 Answers  

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The recent atomic weight scale is based on 1 1H1 2 1H2 3 6C12 4 8O16

1 Answers  

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The hydrogenation of the vegetables oils takes place in the presence of finely divided 1 Aluminium 2 Charcoal 3 Silica 4 Nickel

1 Answers  

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Which type of fire extinguisher is used for petroleum fire? 1 Foam type 2 Soda acid type 3 Powder type 4 None of these

8 Answers   CADD, SSC,

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

3 Answers  

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Which one is having more weight when compare to diesel to petrole?

1 Answers   BARC, ONGC,

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Among the various allogropes of carbon 1 Diamond is the hardest, lamp black is the softest 2 Diamond is the hardest, coke is the softest 3 Coke is the hardest, graphite is the softest 4 Diamond is the hardest, graphite is the softest

1 Answers  

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