Aqueous solution of raw sugar, when passed over beds of animal charcoal, becomes colourless. Explain.

Aqueous solution of raw sugar, when passed over beds of animal charcoal, becomes colourless. Explain.
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Aqueous solution of raw sugar, when passed over beds of animal charcoal, becomes colourless. Explain.
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The charcoal used to decolorize raw sugar is (1) Animal charcoal (2) Sugar charcoal (2) Cocoanut charcoal (4) Wood charcoal

Description : The charcoal used to decolorize raw sugar is (1) Animal charcoal (2) Sugar charcoal (2) Cocoanut charcoal (4) Wood charcoal

Last Answer : (4) Wood charcoal Explanation: Wood charcoal is porous and can absorb liquids and gases on its porous surface. Therefore, it is used in water filters, gas masks and ant gastric tablets, capsule or powder for people suffering from indigestion.

The charcoal used to decolorize brown sugar solution is (1) Wood charcoal (2) Coconut charcoal (3) Animal charcoal (4) Sugar charcoal

Description : The charcoal used to decolorize brown sugar solution is (1) Wood charcoal (2) Coconut charcoal (3) Animal charcoal (4) Sugar charcoal

Last Answer : (3) Animal charcoal Explanation: A special characteristic of animal charcoal is its power to remove substances from solution. A brown solution of raw sugar is decolourized when boiled with animal ... brown matter of peaty water or sewage, astringent principles, and certain basic salts, etc.

The charcoal used to decolourise brown sugar solution is (1) Wood charcoal (2) Coconut charcoal (3) Animal charcoal (4) Sugar charcoal

Description : The charcoal used to decolourise brown sugar solution is (1) Wood charcoal (2) Coconut charcoal (3) Animal charcoal (4) Sugar charcoal 

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On passing H2 S through dilute HNO3 the colourless solution becomes turbid. Why ?

Description : On passing H2 S through dilute HNO3 the colourless solution becomes turbid. Why ? 

Last Answer : Ans. Due to formation of colloidal sol of Sulphur. 

An aluminium strip is kept immersed in a freshly prepared ferrous sulphate solution taken in a test tube, the change observed is that a) Green solution slowly turns brown b) Lower end of the test tube becomes slightly warm c)A colourless gas with smell of burning sulphur is evolved c)Light green solution changes to blue

Description : An aluminium strip is kept immersed in a freshly prepared ferrous sulphate solution taken in a test tube, the change observed is that a) Green solution slowly turns brown b) Lower end of the test ... c)A colourless gas with smell of burning sulphur is evolved c)Light green solution changes to blue

Last Answer : a) Green solution slowly turns brown

Methylene blue, from its aqueous solution, is adsorbed on activated charcoal at `25^(@) C`. For this process, the correct statement is

Description : Methylene blue, from its aqueous solution, is adsorbed on activated charcoal at `25^(@) C`. For this process, the correct statement is

Last Answer : Methylene blue, from its aqueous solution, is adsorbed on activated charcoal at `25^(@) C` ... of temperature. D. The adsorption is irreversible.

Which charcoal is used to deeolourise raw sugar? -Do You Know?

Description : Which charcoal is used to deeolourise raw sugar? -Do You Know?

Last Answer : answer:

Which charcoal is used to deeolourise raw sugar?

Description : Which charcoal is used to deeolourise raw sugar?

Last Answer : Wood charcoal

A white solid reacts with dilute HCI to give colourless gas that de-colourises aqueous bromine. The solid is likely to be.

Description : A white solid reacts with dilute HCI to give colourless gas that de-colourises aqueous bromine. The solid is likely to be.

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A gas X is passed through water to form a saturated solution. The aqueous solution on treatment with silver nitrate gives a white precipitate. The sat

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A gas X is passed through water to form a saturated solution. The aqueous solution on treatment with silver nitrate gives a white precipitate. The sat

Description : A gas X is passed through water to form a saturated solution. The aqueous solution on treatment with silver nitrate gives a white precipitate. The sat

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When `O_(3)` is passed through an aqueous solution of KI, the pH of the resulting solution is

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What product is formed when electricity is passed throughan aqueous solution of sodium chloride? (1) Sodium and water (2) Sodium oxide (3) Sodium and chlorine (4) Sodium hydroxide

Description : What product is formed when electricity is passed throughan aqueous solution of sodium chloride? (1) Sodium and water (2) Sodium oxide (3) Sodium and chlorine (4) Sodium hydroxide

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The substance whose aqueous solution would be a better conductor of electricity than water is (a) cane sugar (b) glucose (c) common salt (d) ethyl alcohol

Description : The substance whose aqueous solution would be a better conductor of electricity than water is (a) cane sugar (b) glucose (c) common salt (d) ethyl alcohol

Last Answer : Ans:(c)

gas which is collected over water becomes moistened due to water vapor, exerts its own partial pressure at the gas temperature, which is termed as its (A) Aqueous tension (B) Saturated humidity (C) Vapor pressure

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Raw materials used for the manufacture of glass are – (1) sand, soda, limestone (2) sand, charcoal, soda (3) limestone, charcoal, sulphur (4) sand, sulphur, soda

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Last Answer : (1) sand, soda, limestone Explanation: Quartz sand (silica) is the main raw material in commercial glass production. While fused quartz (primarily composed of SiO2) is used for some special ... over 1200 degree C (2192 degree F). Normally, other substances are added to simplify processing.

Raw materials used for the manufacture of glass are (1) sand, soda, limestone (2) sand, charcoal, soda (3) limestone, charcoal, sulphur (4) sand, sulphur, soda

Description : Raw materials used for the manufacture of glass are (1) sand, soda, limestone (2) sand, charcoal, soda (3) limestone, charcoal, sulphur (4) sand, sulphur, soda 

Last Answer : sand, soda, limestone

`[X]+H_(2)SO_(4) rarr [Y]` a colourless gas with irritating smell `[Y] + K_(2)Cr_(2)O_(7) + H_(2)SO_(4) rarr` green solution `[X]` and `[Y]` are

Description : `[X]+H_(2)SO_(4) rarr [Y]` a colourless gas with irritating smell `[Y] + K_(2)Cr_(2)O_(7) + H_(2)SO_(4) rarr` green solution `[X]` and `[Y]` are

Last Answer : `[X]+H_(2)SO_(4) rarr [Y]` a colourless gas with irritating smell `[Y] + K_(2)Cr_(2)O_(7) + H_(2)SO_(4) rarr ... 2-), H_(2)S` D. `CO_(3)^(2-), CO_(2)`

Silver halides are used in photographic plates because they are (a) Oxidised in air (b) Colourless (c) Easily soluble in a hypo solution (d) Readily reduced by light

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The colour of Methyl orange in basic solution is (A)Orange (B) Pink (C) Yellow (D) Colourless

Description : The colour of Methyl orange in basic solution is (A)Orange (B) Pink (C) Yellow (D) Colourless

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In phenolphthalein solution bases turns into (a) Pink (b) Yellow (c) Orange (d) Colourless

Description : In phenolphthalein solution bases turns into (a) Pink (b) Yellow (c) Orange (d) Colourless

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Why the blue colour of CuSO4 turns colourless during electrolysis of CuSO4 solution by platinum electrode.

Description : Why the blue colour of CuSO4 turns colourless during electrolysis of CuSO4 solution by platinum electrode.

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When `H_(2)S` gas is passed into aqueous sulphur dioxide

Description : When `H_(2)S` gas is passed into aqueous sulphur dioxide

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Which charcoal forms of carbon is used in sugar industry? -Do You Know?

Description : Which charcoal forms of carbon is used in sugar industry? -Do You Know?

Last Answer : answer:

Which one of the following mixtures is homogeneous? (1) Starch and sugar (2) Methanol and water (3) Graphite and charcoal (4) Calcium carbonate and calcium bicarbonate

Description : Which one of the following mixtures is homogeneous? (1) Starch and sugar (2) Methanol and water (3) Graphite and charcoal (4) Calcium carbonate and calcium bicarbonate

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Which charcoal forms of carbon is used in sugar industry?

Description : Which charcoal forms of carbon is used in sugar industry?

Last Answer : Animal charcoal

Which of the following adsorbent is used in the refining of sugar? (A) Bone charcoal (B) Wood charcoal (C) Silica gel (D) Activated clay

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The coconut shell charcoal used to decolourise sugar is called

Description : The coconut shell charcoal used to decolourise sugar is called

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Wood charcoal is used for decolouration of sugar, because it __________ the coloured materials. (A) Adsorbs (B) Oxidises (C) Reduces (D) Converts

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FeSO4 solution mixed with (NH4 ) 2 SO4 solution in 1 : 1 molar ratio gives the test of Fe2+ ion but CuSO4 solution mixed with aqueous ammonia in 1 : 4 molar ratio does not give the test of Cu2+ ion. Explain why ?

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a rapid gravity filter (A) Raw water from the source is supplied (B) Disinfected raw water is supplied (C) Raw water passed through coagulation tank is supplied (D) None of these

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Animal charcoal is obtained by (a) the destructive distillation of bones (b) burning the bones of animals in contact with air (c) burning the flesh of animals (d) burning the bones of animals out of contact with air

Description : Animal charcoal is obtained by (a) the destructive distillation of bones (b) burning the bones of animals in contact with air (c) burning the flesh of animals (d) burning the bones of animals out of contact with air

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Main constituent of bone ash is (A) Ammonium phosphate (B) Calcium phosphate (C) Animal charcoal (D) Ammonium sulphate

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100 mL of 0.3 M acetic acid is shaken with 0.8 g wood charcoal. The final concentration of acetic acid in the solution after adsorption is 0.125 M. Th

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3 gram of activated charcoal was added to 50 mL of acetic acid solution (0.06N) in a flask. After an hour it was filtered and the strength of the fitr

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______ becomes the first country in the World passed Bill to regularize Sikh Marriages: (a) Pakistan (b) India(c) Canada (d) None of These

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An aqueous solution turns red litmus solution blue. Excess addition of which of the following solution would reverse the change ? -SST 10th

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NaH2PO4 Why ammonia in aqueous solution ?

Description : NaH2PO4 Why ammonia in aqueous solution ?

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Description : Which compound does not conduct electricity in aqueous solution ?

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Description : Which compound conducts electricity in aqueous solution ?

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An aqueous solution containing `1 M NiSO_(4) & 1 M S_(2) O_(8)^(2-)` is electrolysed using palladium electrode, at `25^(@)C` `{:(Ni^(+2)+2e^(-) rarrNi

Description : An aqueous solution containing `1 M NiSO_(4) & 1 M S_(2) O_(8)^(2-)` is electrolysed using palladium electrode, at `25^(@)C` `{:(Ni^(+2)+2e^(-) rarrNi

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1.0 molal aqueous solution of an electrolyte `"A"_(2)"B"_(3)` is 60% ionised. The boiling point of the solution at 1 atm is `("K"_("b"("H"_(2)"O"))=0.

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Under ambient conditions, which among the following surfactants will form micelles in aqueous solution at lowest molar concentration ?

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Among the following, which surfactant will form micelles in aqueous solution at the lowest molar concentration at ambient conditions?

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