Description : Bleaching powder is made from - (1) Sulphur dioxide and gypsum (2) Chlorine and Charcoal (3) Soda ash and lime (4) Lime and Chlorine
Last Answer : (4) Lime and Chlorine Explanation: The gas which is used in the preparation of bleaching powder is chlorine. It is a mixture of lime and calcium chloride.
Description : The chief source of naphthalene is – (1) Coal-tear (2) Diesel (3) Charcoal (4) Camphor
Last Answer : (1) Coal-tear Explanation: Coal tar is a brown or black liquid of extremely high viscosity. In the coal gas era, there were many companies in Britain whose business was to distill coal ... of naphtha (a broad term encompassing any volatile, flammable liquid hydrocarbon mixture, including coal tar).
Description : The chief source of naphthalene is - (1) Coal-tar (2) Diesel (3) Charcoal (4) Camphor
Last Answer : (1) Coal-tar Explanation: Naphthalene is derived from a kind of naphtha which is a broad term encompassing any volatile, flammable liquid hydrocarbon mixture, including coal tar.
Description : Charcoal is used in water treatment as a/an - (1) absorbent (2) coagulant (3) solvent (4) adsorbent
Last Answer : (4) adsorbent Explanation: Charcoal is used in water treatment as adsorbent.
Description : Activated Charcoal is used to remove colouring matter from pure substances by – (1) Bleaching (2) Oxidation (3) Adsorption (4) Reduction
Last Answer : (3) Adsorption Explanation: Heating wood to a very high temperature in the absence of air makes charcoal. When it is heated to an even higher temperature, about 930°C, impurities are driven from its ... . It does so by the process of adsorption, or by attracting these molecules to the surface.
Description : Which of the following is the purest form of Carbon? (1) Charcoal (2) Granite (3) Diamond (4) Graphite
Last Answer : (3) Diamond Explanation: Because the carbon atoms in diamond are more tightly bound than in graphite (as diamond is the hardest material known), it is more difficult for impurities to get into the diamond lattice and as a result diamonds are often more pure than graphite.
Description : Which of the following acts as best adsorbent? (1) Charcoal (2) Activated Charcoal (3) Activated Coconut Charcoal (4) Carbon black
Last Answer : (3) Activated Coconut Charcoal Explanation: Activated coconut charcoal is a highly absorbent material with millions of tiny pores that can capture, bind, and remove unwanted materials. The porous surface has a ... out of the body. It is used medicinally as well as in air and water purifiers.
Description : What is a mixture of potassium nitrate powdered charcoal and sulphur called? (1) paint (2) aluminium (3) brass (4) gun powder
Last Answer : (4) gun powder Explanation: Gun powder is the mixture of potassium nitrate powdered charcoal and sulphur.
Description : The most pure form of Carbon among the options is – (1) Anthracite (2) Lampblack (3) Graphite (4) Wood Charcoal
Last Answer : (1) Anthracite Explanation: There are three forms of pure carbon: graphite, coal and diamond. Among coal, Anthracite has the highest carbon content, the fewest impurities, and the highest calorific content ... the most metamorphosed type of coal in which the carbon content is between 92.1% and 98%.
Description : What is a mixture of potassium nitrate powdered charcoal and sulfur called? (1) paint (2) aluminum (3) brass (4) gun powder
Last Answer : (4) gun powder Explanation: Gun powder is the mixture of potassium nitrate powdered charcoal and sulfur.
Description : Which one of the following has the highest fuel value? (1) Hydrogen (2) Charcoal (3) Natural gas (4) Gasoline
Last Answer : (1) Hydrogen Explanation: Hydrogen has the highest calorific value of (141,790 KJ/kg ) thus have highest fuel value. Calorific value of charcoal, natural gas and gasoline are (29,600; 43,000; 47,300 kJ/ kg) respectively.
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.
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 : (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.
Description : Gunpowder consits of a mixture of – (1) sand and TNT (2) TNT and charcoal (3) nitre, sulphur and charcoal (4) sulphur, sand and charcoal
Last Answer : (3) nitre, sulphur and charcoal Explanation: Gunpowder, also known since the late 19th century as black powder, was the first chemical explosive and the only one known until the mid-1800s. ... gunpowder has been widely used as a propellant in firearms and as a pyrotechnic composition in fireworks.
Description : The main source of Naphthalene is - (1) Charcoal (2) Camphor (3) Coal-tar (4) Diesel
Last Answer : (3) Coal-tar Explanation: The main source of Naphthalene is coal-tar. Naphthalene is derived from a kind of naphtha which is a broad term encompassing any volatile, namable liquid hydrocarbon mixture, including coaltar.
Description : Which will be adsorbed more readily on the surface of charcoal and why NH3 or CO2?
Last Answer : Ans: The critical temperature NH3 is more CO2, therefore NH3 is liquefied more easily than CO2. Hence NH3 has higher intermolecular forces of attraction and hence it adsorbed more readily.
Description : Out of CO and NH3 which is adsorbed on activated charcoal to a large extent and why ?
Last Answer : Ans. Ammonia; because more easily liquefiable gas undergoes adsorption to a greater extent.
Description : Charcoal is 'activated' by: w) heating it in the absence of air x) heating it in steam y) destructive distillation z) absorption
Last Answer : ANSWER: X -- HEATING IT IN STEAM
Last Answer : Activated Coconut Charcoal
Description : The most pure form of Carbon among the options is (1) Anthracite (2) Lampblack (3) Graphite (4) Wood Charcoal
Last Answer : Anthracite
Description : Activated Charcoal is used to remove colouring matter from pure substances by (1) Bleaching (2) Oxidation (3) Adsorption (4) Reduction
Last Answer : Adsorption
Description : Charcoal is used in water treatment as a/an (1) absorbent (2) coagulant (3) solvent (4) adsorbent
Last Answer : adsorbent
Description : The chief source of naphthalene is (1) Coal-tar (2) Diesel (3) Charcoal (4) Camphor
Last Answer : Coal-tar
Description : The main source of Naphthalene is (1) Charcoal (2) Camphor (3) Coal-tar (4) Diesel
Description : The charcoal used to decolourise brown sugar solution is (1) Wood charcoal (2) Coconut charcoal (3) Animal charcoal (4) Sugar charcoal
Last Answer : Animal charcoal
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
Description : Gunpowder consits of a mixture of (1) sand and TNT (2) TNT and charcoal (3) nitre, sulphur and charcoal (4) sulphur, sand and charcoal
Last Answer : nitre, sulphur and charcoal
Description : Railway wagon axles are made by heating rods of iron embedded in charcoal powerder. The process is known as
Last Answer : Railway wagon axles are made by heating rods of iron embedded in charcoal powerder. The process ... hardening B. sheradising C. annelaing D. tempering
Description : How can I convert my charcoal grill into a smoker?
Last Answer : Here's some information on smoking food in a charcoal grill which hopefully you can adapt to your 55 gallon drum. The big issues are temperature and air flow and you will need some kind of lid for your BBQ. ... 't used in ages, but I smoked some trout in it once and it was absolutely to die for.
Description : How often have you seen charcoal colored clouds right next to sunny skies?
Last Answer : Very often. When thunderstorms are here that is often the case.
Description : Can I cut charcoal filters to size?
Last Answer : Automiotive charcoal cansiters are filled with particles about 1mm across. Crack the case and they all fall out. Not sure what kind of filter you are talking about. There is a monolith type filter that looks ... . You can cut that shorter if you use a fine blade and don't care about smooth edges.
Description : How powerful does a laser have to be to zap a bug dead (not into charcoal) from ten feet?
Last Answer : answer:I read once that you can mod a flashlight with a DVD-R laser to get a device that can light matches, if that helps. Video here. Can you send me one of those? I’ve got cave crickets in my basement that are a pain to kill.
Description : Drawing with charcoal... any tips?
Last Answer : http://www.wikihow.com/Draw-With-Charcoal
Description : How would you go about framing a large charcoal nude sketch?
Last Answer : Can you link a picture?
Description : Can You Reuse Charcoal Briquettes?
Last Answer : They generally turn into ashes by the time the grilling is through, so no, you can’t. You should dump the old ashes after every use rather than pile new one on top of them.
Description : What was the charcoal liquid used for in the movie "We Own The Night"?
Last Answer : To absorb drugs?
Description : Will ordinary bbq charcoal do a good job of removing humidity from small enclosed areas, such as under the kitchen sink?
Last Answer : I don't know about charcoal, but I've heard that kitty litter will do a great job of de-humidifying a space. You can also buy a product (not sure what it's called, I think it's made of ... for this sort of thing. It's the same stuff that comes sealed in those little packets in various products.
Description : what is the best charcoal grill
Last Answer : I have always been a fan of Weber. http://www.weber.com/bbq/
Description : Gas or charcoal?
Last Answer : answer:My vote is charcoal. I’ve had food prepared outdoors both ways, and there is nothing like meat, flavored with charcoal and kerosene. September 1, 2008, 8:38 AM EDT
Description : Saloni took a piece of burning charcoal and collected the gas evolved in a test tube. -History
Last Answer : She can find the nature of the gas by using a wet litmus paper. After bringing the litmus paper in contact with the gas, if it turns the blue litmus paper into red, it is acidic. Similarly, if it ... basic. (b) (i) Carbon + Oxygen → Carbon dioxide (ii) Carbon dioxide + Lime water → Milky
Description : Sate any three advantages of charcoal over wood. -Science
Last Answer : Advantages of charcoal over wood It has higher calorific value, i.e. higher heat generating efficiency.Charcoal does not produce smoke on burning so it is a clean fuel. It is easier to transport and ready to use in a convenient dry and broken-up form.
Description : Which charcoal forms of carbon is used in sugar industry? -Do You Know?
Last Answer : answer:
Description : Which charcoal is used to deeolourise raw sugar? -Do You Know?
Description : Activated charcoal is employed to remove colouring matter from pure substance, it work? -Do You Know?
Description : Which of the following is used in pencils? A.Graphite B.Silicon C.Charcoal D.Phosphorous -Science
Last Answer : answer is A. Graphite
Description : How to make charcoal as easy as possible?
Last Answer : For example here - http://multi.xeres.cz/dreveneuhli/dreveneuhli - you have a nice guide ... ;-) I prefer to buy it ...
Description : What's the best charcoal for a barbecue?
Last Answer : Based on experts best charcoal for barbeque are as given below - Weber grill lighter grills - weber rapidfire chimney charcoal - Royal oak lump charcoal - Kingsford original charcoal briquettes - Royal oak premium hardwood charcoal briquettes
Description : Should I buy a charcoal or gas grill?
Last Answer : A charcoal grill is a little more work getting the coals going. Overall, I prefer the taste of charcoal-grilled food. But a gas grill is a lot easier and if you don't like charcoal taste. But a charcoal grill is cheaper.
Description : 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
Last Answer : 100 mL of 0.3 M acetic acid is shaken with 0.8 g wood charcoal. The final concentration of acetic acid in the ... g` C. `1.31 g` D. `0.131 g`
Description : 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
Last Answer : 3 gram of activated charcoal was added to 50 mL of acetic acid solution (0.06N) in a flask. After an hour it was ... B. `36 mg` C. `42 mg` D. `54 mg`