What does mixture of CS2 and H2S on passing over heated copper give?

What does mixture of CS2 and H2S on passing over heated copper give?
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Methane
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What does mixture of CS2 and H2S on passing over heated copper give?

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Both white phosphorous as well as red phosphorous (A) Are soluble in CS2 (B) Burns when heated in air (C) Reacts with hot caustic soda solution to give Phosphine (D) All (A), (B), and (C)

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n passing over heated copper give? -Do You Know?

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Bog iron used for the adsorption of H2S from coke oven gas is (A) An intimate mixture of saw dust and iron dust (i.e. moist ferric hydroxide) (B) Iron impregnated with resin (usually Bakelite) (C) Carbon free iron (D) None of these

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The filament of an electric lamp becomes white hot but the lead-in wires holding the filament are only slightly heated because they (a) have smaller current passing through them (b) have very low resistance (c) have higher melting point (d) are made of black iron

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Copper sulphate crystals when heated strongly, lose their water of crystallization to give anhydrous copper sulphate accompanied by a change in color from: (a). Blue to green (b). Blue to white (c). Blue to sky blue (d). Blue to grey

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The wet and 'dry bulb temperature for a vapour-gas mixture are 25°C and 30°C respectively. If the mixture is heated to 45°C at constant pressure, the wet bulb temperature will be __________ °C. (A) 25 (B) > 25 (C) < 25 (D) - 25

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Write chemical equation reactions taking place when carried out with the help of (a) Iron reacts with steam (b) Magnesium reacts with dil HCl (c) Copper is heated in air. -Chemistry

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How many grams of copper could be heated from 20 oC to 75 oC if 1200 calories are applied to it?

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How does the scale that forms copper is heated differ from the copper?

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Last Answer : Heating copper in air the copper oxide CuO is formed.

Why does copper gain mas when heated?

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Last Answer : copper gains heat

How much heat is absorbed by 60.00 grams of copper when it is heated from 293 Kelvin to 353 Kelvin?

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A copper plate has a circular hole cut in it. If the plate is heated to a higher temperature, the diameter of the hole (a) Becomes smaller (b) Increases (c) Remains constant (d) Increases but the total area of the plate remains constant

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A copper disc has a hole. If the disc is heated, the size of the hole - (1) increases (2) decreases (3) No change (4) first increases and than decreases

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Last Answer : (1) increases Explanation: When a metal plate with a circular hole at its centre is heated, definitely along with the areal expansion of the plate the diameter (sum of two radii) of the circular hole also increases.

Above image shows an experiment where copper sulphate crystals are heated. When we heat the crystals, they turn white. If you moisten the crystals again with water you will find that colour of crystals reappears . (1) How many water molecules are present in one formula unit of copper sulphate (a)5 (b)2 (c)6 (d)7

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What happens to the resistance of copper when it is heated?

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Last Answer : It increases.

A copper disc has a hole. If the disc is heated, the size of the hole (1) increases (2) decreases (3) No change (4) first increases and than decreases

Description : A copper disc has a hole. If the disc is heated, the size of the hole (1) increases (2) decreases (3) No change (4) first increases and than decreases

Last Answer : increases

Why H2S is a polar molecule?

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Last Answer : S is more electronegative than H and also the molecule isasymmetric (not linear), so it will be polar.

What is the compound polarity for H2S?

Description : What is the compound polarity for H2S?

Last Answer : What is the answer ?

Which reaction shows that the enthalpy of formation of H2S is Hf -20.6 kJmol?

Description : Which reaction shows that the enthalpy of formation of H2S is Hf -20.6 kJmol?

Last Answer : H2(g) + S(s) —> H2S + 20.6 kJ

Why does H2O have a boiling point higher than H2S?

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Why does H2O have a boiling point higher than H2S?

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The term ‘Cynogenesis’ describes the release of (a) hydrogen cyanide (HCN) (b) hydrochloric acid (HCl) (c) hydrogen peroxide (H202) (d) hydrogen sulphide (H2S)

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The major use of sulphur is in the manufacture of – (1) H2SO4 (2) H2S (3) SO2 (4) Fungicide

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Major gaseous pollutant of the thermal power station is – (1) H2S (2) NH3 (3) NO2 (4) SO2

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Last Answer : (4) SO2 Explanation: A flue-gas stack is a type of chimney, a vertical pipe, channel or similar structure through which combustion product gases called flue gases are exhausted to the outside air ... CO2) and water vapor as well as nitrogen and excess oxygen remaining from the intake combustion air.

In sewers the gas generally found, is A. Hydrogen sulphide (H2S) B. Carbon dioxide (CO2) C. Methane (CH4) D. All the above

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Which is obtained, when H2S is passed through the solution of sodium zincate?

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Explain the following (a) The density of ice is less than that of liquid water? (b) The boiling point of water is less than that of H2S. (c) NaH has higher reducing character than H2O.

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Which of the following is a suitable absorbent for removal of H2S from natural gas? (A) Vetrocoke solution (B) Monoethanolamine (MEA) (C) Dilute (D) Hot water

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