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

3 Answers  

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Permanent hardness of water may be removed by the addition of 1 Alum 2 Sodium carbonate 3 Lime 4 Potassium permanganate

3 Answers   SSC,

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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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what does the haversian central canal in each osteon contains?

1 Answers   Jindal,

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What is the Biology ?

2 Answers  

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there are 3 sources of resistance in a parallel circuit's. 2 of them are rated at 20 ohms, the other at 10 ohms. what is the circuit's total resistance?

2 Answers  

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Which of the following gases is not known as green house gas? 1 Carbon dioxide 2 Methane 3 Nitruous oxide 4 Hydrogen

4 Answers   ACIO, Infosys, ptet,

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How can we determine the no: of revolutions of earth around sun?

1 Answers  

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Diamond is harder than graphite because of 1 Difference of layers of atoms 2 Tetrahedral structure of diamond 3 Difference of crystalline structures 4 None of these

3 Answers  

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When was the first rocket launched from thumba?

0 Answers  

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What is a nuclear triad?

0 Answers  

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The disease that is caused by viral infection is

2 Answers  

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