In fireworks, the green flame is produced because of 1 Mercury 2 Sodium 3 Potassium 4 Barium

1 Answers  

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

0 Answers  

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How does common salt help in separating soap from the solution after saponification ? 1 By decreasing solubility of soap 2 By increasing solubility of soap 3 By decreasing density of soap 4 By increasing density of soap

4 Answers  

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Which unit is used to measure sound frequency?

4 Answers  

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Which of the following metals can displace hydrogen from dilute acids? 1 Zinc 2 Gold 3 Copper 4 Silver

1 Answers   Petit Seminaire,

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Science as a social endeavor .Explain

0 Answers   Mahatma Gandhi University,

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different types of satellite?

3 Answers   ISRO,

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Rusting of iron involves 1 Oxidation 2 Reduction 3 Displacement 4 Decomposition

5 Answers   MTS, SSC,

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In laundry soaps, a material called ‘filler’ is used. Which of the following is a ‘filler? 1 Talc 2 Sodium silicate 3 Soda ash 4 Sodium phosphate

1 Answers  

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difference between ancient age,middle age & modern age.

6 Answers   Ranbaxy,

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difference between typewriter and computer?

2 Answers   ISRO,

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Polythene is industrially prepared by the polymerization of 1 Methane 2 Styrene 3 Acetylene 4 Ethylene

3 Answers   Amna Industries, HFI,

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