Answer / guest

(3) Tin and copper

define cartography?

1 Answers   ISRO,

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Which of the following are the ingredients of gun metal? 1 Iron, Tin 2 Copper, Tin 3 Iron, Brass, Tin 4 Iron, Zinc, Titanium

2 Answers  

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The metallic constituents of hard water are 1 Magnesium, calcium and tin 2 Iron, tin and calcium 3 Calcium, ,magnesium and iron 4 None of these

1 Answers  

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how longs & what conditions will a matter, say for example U, after an atomic explosion and was converted completely into energy will again condensed back into a matter named U'

0 Answers  

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What is the wavelength of visible spectrum? 1 1300A-3000A 2 3900A-7600A 3 7800A-8000A 4 8500A-9800A

1 Answers  

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which of the following fibers is generally preferred for making gauze and lint? 1 Cotton 2 Rayon 3 Nylon 4 Terylene

1 Answers  

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Glass is made of the mixture of 1 Quartz and mica 2 Sand and salt 3 Sand and silicates 4 None of these

2 Answers   DRDO,

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Which of the following is the best conductor of electricity? 1 Zinc 2 Copper 3 Gold 4 Silver

5 Answers  

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The type of glass used in making lenses and prisms is 1 Soft glass 2 Pyrex glass 3 Jena glass 4 Flint glass

3 Answers   IAS,

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The pink color of Bayer’s reagent is discharged when acetylene is passed through it. This is due to the formation of 1 Acetic acid 2 Ethylene 3 Water 4 Oxalic acid

2 Answers  

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Monazite is an ore of 1 Iron 2 Titanium 3 Thorium 4 Zirconium

1 Answers  

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Which of the following elements is not-radioactive? 1 Uranium 2 Thorium 3 Plutonium 4 zirconium

3 Answers   ACC,

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