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
Description : The strong heating of coal in absence of air is known as _______. a) destructive distillation b)refining c)combustion d)burning
Last Answer : a) destructive distillation
Description : Coke is obtained from coal by (a) Distillation (b) Fractional distillation (c) Destructive distillation (d) Cracking
Last Answer : Ans:(c)
Description : It has no top or bottom but it can hold flesh, bones, and blood all at the same time. What is it? -Riddles
Last Answer : A ring.
Description : X-rays penetrate through the flesh but not through bones. Why?
Last Answer : Ans: The penetrating power of X-rays depends upon the potential difference between the cathode and the anode of X-ray tube. The X-rays produced can penetrate through light element like flesh of human body but they are unable to penetrate through heavier elements like bones.
Description : Rabbit feeds on : (a) Flesh and bones (b) Insects and worms (c) Leaves and seeds (d) None
Last Answer : (c) Leaves and seeds
Description : Producer gas is obtained by A. partial combustion of coal, coke, anthracite coal or charcoal in a mixed air steam blast B. carbonisation of bituminous coal C. passing steam over incandescent coke D. passing air and a large amount of steam over waste coal at about 650°C
Last Answer : Answer: A
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 : Are wood burning BBQ grills better than charcoal grills?
Last Answer : Wood grills are more expensive, but your food has a better flavor. Charcoal grills are easier to find than the wood grills. However, the charcoal grills take more time to light and to get your meal ... wood grill will give you your meal in about 30 minutes. I would recommend the the wood grill.
Description : Flesh eating animals are called what?
Last Answer : Carnivores
Description : An animal which eats human flesh?
Last Answer : Feline
Description : If you worked at a zoo or alligator farm, and it was your job to feed the 'gators, crocodiles, or Komodo Dragons (giant flesh-eating monitor lizards) -- what animal would you feel most comfortable feeding it? (see details)
Last Answer : You’d feed them animals already butchered. Thaw out frozen chicken, fish, hot dogs, etc. Fortunately, they’re reptiles and need a lot fewer calories than mammals of comparable mass. I wonder if Purina has a Gator Chow?
Description : Black liquor is converted into white liquor by (A) Evaporation and burning the concentrate followed by causticisation of products (B) Multi-effect evaporation only (C) Selective liquid extraction (D) Extractive distillation
Last Answer : (A) Evaporation and burning the concentrate followed by causticisation of products
Description : Why is water not suitable for putting out a petrol fire? (1) The oxygen content of water is isolated by petrol and thus it helps in burning (2) Petrol is too inflammable to be extinguished by ... very low (4) Water, being heavy, slips below petrol which thus remains in contact with air and burns
Last Answer : (4) Water, being heavy, slips below petrol which thus remains in contact with air and burns Explanation: Water is not effective on petrol fire because it has higher density than ... while petrol stays afloat and keeps burning. Petrochemical fires are nearly always extinguished with chemical foam.
Last Answer : (4) Water, being heavy, slips below petrol which thus remains in contact with air and burns Explanation: Water is not effective on petrol fire because it has higher density than petrol as a ... extinguished with chemical foam which forms a blanket over the flames and cuts off the oxygen supply.
Description : Why is water not suitable for putting out a petrol fire ? (1) The oxygen content of water is isolated by petrol and thus it helps in burning (2) Petrol is too inflammable to be extinguished by ... very low (4) Water, being heavy, slips below petrol which thus remains in contact with air and burns
Last Answer : Water, being heavy, slips below petrol which thus remains in contact with air and burns
Description : A doctor advises a patient to take plenty of citrus fruits, guavas, tomatoes and amlas over a period of two months regularly. What do you think is the complaint of the patient? (a) Softness and ... skin of angle of mouth (d) Extreme weakness, swelling and pain in legs, loss of appetite, headache
Last Answer : Ans:(b)
Description : Which of the following is mainly responsible for the extinction of wildlife? (a) Pollution of air and water (b) Hunting of flesh (c) Destruction of habitats (d) All of these
Last Answer : (c) Destruction of habitats
Description : Pick out the wrong statement. (A) LPG is also used as fuel for automobiles & small furnaces and for cutting & welding of metals (B) The minimum temperature, at which a petroleum oil vapor catches ... about 30-50 Nm3 of gas (D) Maximum yield of naphthalene is obtained on distillation of crude oil
Last Answer : (B) The minimum temperature, at which a petroleum oil vapor catches fire and continues to burn, is called its flash point
Description : Study the following statements: 1. Tea plants thrive best in alkaline soils with rainfall above 150 cm and temperature between 20 - 30°C 2. The most important stimulant both in tea and coffee is caffeine 3. Wine, a popular alcoholic drink ... true? (a) 1, 3, and 4 (b) 2 and 4 (c) 1 and 4 (d) Only 2
Last Answer : Ans:(a)
Description : Pick out the wrong statement. (A) Chamber process of sulphuric acid manufacture produces pure acid of concentration < 80% (B) Contact process of sulphuric acid manufacture produces pure acid of ... of 20% oleum (D) Contact process of sulphuric acid manufacture uses nickel as the catalyst
Last Answer : (D) Contact process of sulphuric acid manufacture uses nickel as the catalyst
Description : Absolute alcohol cannot be obtained by simple fractional distillation because
Last Answer : Absolute alcohol cannot be obtained by simple fractional distillation because A. pure `C_(2)H_ ... oxidation D. it forms azeotropic mixture with water
Description : Crude oil is subjected to vacuum distillation in the last stage, because (A) High boiling point products like heavy fuel oil & lubricating oils are heat sensitive and may decompose (B) Lighter/low ... prone to thermal decomposition (C) High purity products can be obtained thereby (D) None of these
Last Answer : (A) High boiling point products like heavy fuel oil & lubricating oils are heat sensitive and may decompose
Description : Light oil whose major component is Benzol, is obtained by the distillation of crude tar in the temperature range of __________ °C. (A) 80-170 (B) 200-300 (C) 250-270
Last Answer : (A) 80-170
Description : Essential oils are usually obtained using (A) Steam distillation (B) Extractive distillation (C) Solvent extraction (D) Leaching
Last Answer : (D) Leaching
Description : Asphalt is obtained from (A) Petroleum distillation (B) Bitumen distillation (C) Plastic distillation (D) None of these
Last Answer : Answer: Option A
Description : Back-trapping in a distillation column (A) Increases tray efficiency (B) Decreases tray efficiency (C) Reduces pressure drop (D) Is desirable, as it provides improved vapour-liquid contact
Last Answer : (B) Decreases tray efficiency
Description : Aqueous solution of raw sugar, when passed over beds of animal charcoal, becomes colourless. Explain.
Last Answer : Aqueous solution of raw sugar, when passed over beds of animal charcoal, becomes colourless. Explain.
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.
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 : Main constituent of bone ash is (A) Ammonium phosphate (B) Calcium phosphate (C) Animal charcoal (D) Ammonium sulphate
Last Answer : (B) Calcium phosphate
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 : protein obtained by boiling skin, tendons, ligaments, and/or bones with water.
Last Answer : protein obtained by boiling skin, tendons, ligaments, and/or bones with water.
Description : Which of the following bones is in direct contact with oval window ?
Last Answer : Which of the following bones is in direct contact with oval window ?
Description : Select the INCORRECT statement concerning the muscular system. a) Bones contact other bones at joints. b) Flexors decrease the angle of a joint. c) Adductors move a limb away from the midline. d) Tendons attach muscle to bone.
Last Answer : ANSWER: C -- ADDUCTORS MOVE A LIMB AWAY FROM THE MIDLINE.
Description : Char value of Kerosene is the amount of charred oil deposition on the wick obtained after burning it in a standard wick lamp at a standard rate for 24 hours. Char value of a good quality kerosene should be less than __________ mg/kg of kerosene. (A) 1 (B) 20 (C) 100 (D) 500
Last Answer : (B) 20
Description : Cement used for normal concrete construction, is obtained by burning a mixture of (A) Siliceous and argillaceous materials (B) Argillaceous and calcareous materials (C) Siliceous and calcareous materials (D) Siliceous, argillaceous and calcareous materials
Last Answer : Answer: Option D
Description : Hydraulic lime is obtained by (A) Burning of lime stone (B) Burning of kankar (C) Adding water to quick lime (D) Calcination of pure clay
Last Answer : Answer: Option B
Description : Pick up the incorrect statement from the following: (A) Hydraulic lime is generally obtained by burning kankar (B) Hydraulic lime sets slowly as compared to fat lime (C) Hydraulic lime is generally used in lime mortar (D) None of these
Description : Pick up the correct statement from the following: (A) Quick lime is obtained by burning pure lime stone (B) Hydraulic lime is obtained by burning lime stone containing clay 5% to 30% (C) Poor lime is obtained by burning lime stone containing impurities more than 5% (D) All the above
Description : Cement is obtained by burning a mixture of the following materials [ A ] Siliceous materials [ B ] Argillaceous materials [ C ] Calcareous materials [ D ] All the above
Last Answer : [ D ] All the above
Description : Burning of controller contacts, when opening, is prevented by _____________. A. coating the contact surfaces lightly with petroleum jelly B. magnetic blowout coils C. an overvoltage release D. an overcurrent release
Last Answer : Answer: B
Description : The method used for preparing tincture from the mucilaginous and gummy substances from vegetable or animal kingdom is Options: 1) Distillation 2) Sublimation 3) Maceration 4) Crystallisation
Last Answer : Correct Answer: 3) Maceration
Description : Any De Niro fans out there? Anyone ever met/seen him in the flesh?
Last Answer : Big fan, never met him. I think he is a really great actor, particularly loved the last film with Pacino (and yes, I’m an even bigger Pacino fan). I have a friend that looks a lot like him, does that count?
Description : If your skin could be made out of anything besides actual flesh, what would it be?
Last Answer : I’d want my skin to be made up of other people’s curiosity. That way, when people stare at me (which they don’t as much as I’d like) I’d be pretty sure what they’re looking at.
Description : Recently, We analyzed thousands of apps to flesh out key-trend. Which trend did we not see? 1. People spend more time with apps if they own a large screen mobile device 2. Overall time in app ... 4. Users who find your app organically and users who come from and perform the same once In-app
Last Answer : Smartphone users spend more time with apps than tablet users
Description : Recently, we analyzed thousands of apps to flesh out key trends. Which trend did we NOT see? A. People spend more time with apps if they own a large screen mobile device B. Overall time in app ... D. Users who find your app organically and users who come from ads perform the same once in-app
Last Answer : C. Smartphone users spend more time with apps than tablet users
Description : Does the fear of blood create fear for the flesh?
Last Answer : I think the fear of pain is greater.