Why is food necessary for human body ?

2 Answers  

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A mixture of iron filings and sand can be separated by 1 Heating 2 Sublimation 3 Hand picking 4 Magnetic separation

1 Answers  

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1.what is a pasacline?who invented it? 2.who was the first man to go into space?

1 Answers  

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Which of the following is not a chemical reaction? 1 Burning of paper 2 Digestion of food 3 Conversion of water into steam 4 Burning of coal

1 Answers   NTS,

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Which of the following colors in he visible spectrum has maximum range? 1 Violet 2 Indigo 3 Orange 4 Red

1 Answers  

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Atom bomb is based on the principle of 1 Nuclear fusion 2 Nuclear fission 3 Both (a) & (b) 4 None of these

4 Answers   ECAT, Group 4 iv, Qnet, UPSC,

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Which of the following is not an isotope of hydrogen? 1 Protium 2 Yitrium 3 Deuterium 4 Tritium

2 Answers  

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In which of the following processes, is vanadium pent oxide used as a catalyst? 1 Contact process 2 Haber’s process 3 Solvay process 4 None of these

2 Answers  

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Which of the following has the lease penetrating power? 1 Alpha particles 2 Beta particles 3 Gamma rays 4 All have the same penetrating power

3 Answers  

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what is center of gravity?

0 Answers  

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Using an applied force of a Newton across one meter is known as a:

4 Answers  

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Can you suppy extrusion in anodined pointed condition?

2 Answers  

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