Description : Spirit in contact with body gives cool sensation because it is : (1) liquid (2) transparent (3) highly volatile (4) a good conductor
Last Answer : highly volatile
Description : A little ether on the palm gives a cooling sensation because ether (a) is a cold liquid (b) evaporates (c) enters the pores of the skin (d) condenses on the palm
Last Answer : Ans:(b)
Description : Transparent soaps (e.g. Pears) are (A) Usually soft soap (made from coconut oil) in which cane sugar & alcohol are added and finally washed with methylated spirit to achieve transparency (B) ... (C) Metallic soaps with frothing agent from which glycerine has not been recovered (D) None of these
Last Answer : (A) Usually soft soap (made from coconut oil) in which cane sugar & alcohol are added and finally washed with methylated spirit to achieve transparency
Description : A/an __________ system is exemplified by a vessel containing a volatile liquid in contact with its vapor. (A) Isolated (B) Closed (C) Open (D) None of these
Last Answer : (C) Open
Description : A female patient 18 years old, who is contact lens wearer since two years, is complaining of redness, lacrimation and foreign body sensation of both eyes. On examination, visual acuity ... uveitis. b. Giant papillary conjunctivitis. c. Bacterial corneal ulcer. d. Acute congestive glaucoma
Last Answer : ANSWER: B
Description : Pure water is bad conductor of electricity because it is – (1) feebly ionized (2) not volatile (3) a very good solvent (4) a non-polar solvent
Last Answer : (1) feebly ionized Explanation: Pure water is a covalent compound. It exists as simple discrete molecules and have a simple molecular structure. Hence, it does not exist as ions. Therefore, ... into hydrogen ions and hydroxide ions. The presence of mobile ions enables it to conduct electricity.
Description : Pure water is bad conductor of electricity because it is (1) feebly ionized (2) not volatile (3) a very good solvent (4) a non-polar solvent
Last Answer : feebly ionized
Description : Which of the following statements is correct? (a) Cornea consists of dense matrix of collagen and is the most sensitive portion of the eye. (b) Cornea is an external, transparent and protective ... elastin and can repair itself. (d) Cornea is convex, transparent layer which is highly vascularised.
Last Answer : (a) Cornea consists of dense matrix of collagen and is the most sensitive portion of the eye.
Description : We feel cool when we sit near the fan, this is because – (1) fan gives cool air. (2) an cools surrounding air. (3) air vapourises the sweat on our body. (4) we feel cool when air touches the body.
Last Answer : (3) air vapourises the sweat on our body. Explanation: We feel comfortable sitting under a fan when we are perspiring because a fan increases the rate of evaporation of sweat (or moisture) from our body and makes us feel cool and comfortable.
Description : We feel cool when we sit near the fan, this is because (1) fan gives cool air. (2) fan cools surrounding air. (3) air vapourises the sweat on our body. (4) we feel cool when air touches the body.
Last Answer : air vapourises the sweat on our body.
Description : Fussain (A) Is friable, charcoal like substance (B) Has highest fixed carbon and lowest volatile matter content of all the four banded components of coal (C) Is non-coking, but when blended with highly coking ... its swelling and produces high strength coke on carbonisation (D) All (A), (B) and (C)
Last Answer : (D) All (A), (B) and (C)
Description : Metal tea pots have wooden handles because – (1) wood is a bad conductor of heat (2) it prevents electric shock (3) it gives beauty to the pots (4) it is hygienic
Last Answer : (2) it prevents electric shock Explanation: Wood is a bad conductor of heat due to the arrangement of its molecules. As the molecules of wood are far from each other, they cannot pass heat through them.
Description : Water is a highly effective coolant for a car engine because _____ A. Water is good conductor of heat B. Water has very high specific heat capacity C. Water boils at a comparatively high temperature D. Evaporation of water produces lot of cooling
Last Answer : ANSWER: A
Description : Copper is often used as an electrical conductor because it _______________. A. has high resistance at low temperatures B. has a highly polished surface C. is able to pass current with little opposition D. holds insulation together well
Last Answer : Answer: C
Description : Water is a highly effective coolant for a car engine because -----? A. Water is good conductor of heat B. Water has very high specific heat capacity (Answer) C. Water boils at a comparatively high temperature D. Evaporation of water produces lot of cooling
Last Answer : B. Water has very high specific heat capacity (Answer)
Description : The following are true about corneal sensation: a. the sensation is greatest at the apex and diminishes towards the limbus. b. the temporal half of the cornea is more sensitive than the ... c. the Bonnet-Cochet aesthesiometer gives quantitative measure of the degree of hypoaesthesia d. all above
Last Answer : all above
Description : Which of the following phrases is NOT appropriate for a description of benzene? w) characteristic reactivity of an alkene x) volatile liquid y) aromatic hydrocarbon z) resonance hybridization
Last Answer : ANSWER: W -- CHARACTERISTIC REACTIVITY OF AN ALKENE
Description : ____ or spectrophotometers can be used for measuring transparent foods. a. Thermometers c. Liquid b. Meters d. Colorimeters
Last Answer : d. Colorimeters
Description : Want to know how to get rid of piles ? I have been suffering from piles for the last 2 years. Recently I went to a homeopathic doctor and he assured me that the problem will be reduced in 20-25 days and will ... !!! Could it really be that ... so what can I do , please help me with some advice ...
Last Answer : If you take homeopathic medicine then the homeopathic doctor has rightly said that it will take 3/4 months to get better but you need to consult a piles expert 2 years ago. You can stay. Therefore, a piles ... by the piles doctor. So I said take the advice of a piles expert to get a quick solution.
Description : Do you believe that Ouija boards are actually being used to contact the spirit world?
Last Answer : Fuck no.
Description : Which of the following is TRUE about syphilis: A. The spirochetes disseminate rapidly throughout the body within 24hour after contact B. Both the primary chancre and the secondary mucous patch stages of ... Only the lesions of the primary and secondary stages are contagious D. All of the above
Last Answer : D. All of the above
Description : The surface of water in a pond remains cool even on a hot day because 1. water evaporates at the surface and evaporation causes cooling 2. the heat absorbed at the surface is transmitted downwards 3. Water in contact with the bottom ... /are correct? (a) 1 only (b) 3 only (c) 1 and 3 (d) 1, 2 and 3
Last Answer : Ans:(a)
Description : Metal tea pots have wooden handles because (1) wood is a bad conductor of heat (2) it prevents electric shock (3) it gives beauty to the pots (4) it is hygienic
Last Answer : it prevents electric shock
Description : Though liquid ammonia itself is a fertiliser (with 82% nitrogen content) yet it is commonly not used as such in a tropical country like India, because it (A) Has a pungent smell (B) Vaporises at normal temperature (C) Is toxic and highly corrosive (D) Is in short supply
Last Answer : (B) Vaporises at normal temperature
Description : Ammonium nitrate (is mixed with limestone) is not used as fertiliser as such, because (A) It is hygroscopic and explosive in nature (B) It is highly acidic in nature (C) It is a liquid at room temperature (D) Its nitrogen content is very less
Last Answer : (A) It is hygroscopic and explosive in nature
Description : Bromine is- (1) Colorless gas insoluble in water (2) A highly inflammable gas (3) A Black solid (4) A red liquid
Last Answer : (4) A red liquid Explanation: Bromine is a chemical element with symbol Br and atomic number 35. It is the third-lightest halogen, and is a fuming liquid with a deep red color. At room temperature, Bromine evaporates readily to form a red to amber colored gas.
Description : Which of the following is the lightest and most volatile liquid fuel A. diesel B. kerosene C. fuel oil D. gasoline
Last Answer : ANSWER : D
Description : Which of the following is the lightest and most volatile liquid fuel? a. diesel b. kerosene c. gasoline d. fuel oil
Last Answer : ANSWER c. gasoline
Description : In a refrigerator what produces the cooling? (1) The ice which deposits on the freezer (2) The sudden expansion of a compressed gas (3) The evaporation of a volatile liquid (4) None of these
Last Answer : (4) None of these Explanation: Basically, refrigeration system consists of devices that compress and expand refrigerant gas. When refrigerant gas is compressed it expels heat and when it is suddenly ... inside of the fridge is cooled to a temperature below the ambient temperature of the room.
Description : If G = insoluble gas in gas stream and L = non-volatile solvent in liquid stream, then the slope of the operating line for the absorber is (A) L/G (B) G/L (C) Always < 1 (D) None of these
Last Answer : (A) L/G
Description : Raoult's law applies to the (A) All liquid solutions (B) Non-ideal solution only (C) Non-volatile solute (D) Solvents
Last Answer : (D) Solvents
Description : Pick out the wrong statement. (A) The condensing film co-efficient is about 3 times lower for vertical condenser as compared to the equivalent horizontal condenser for identical situation ( ... in a heat exchanger is controlled by the value of the film co-efficient, which is higher
Last Answer : (D) Overall heat transfer co-efficient in a heat exchanger is controlled by the value of the film co-efficient, which is higher
Description : Pick out the correct statement. (A) If an insoluble gas is passed through a volatile liquid placed in a perfectly insulated container, the temperature of the liquid will increase (B) A ... compound is defined as the heat of reaction leading to the formation of the compound from its reactants
Last Answer : (D) The heat of formation of a compound is defined as the heat of reaction leading to the formation of the compound from its reactants
Description : Which of the following is the lightest and most volatile liquid fuel? A.Gasoline B.Kerosene C.Fuel oil
Last Answer : Answer: A
Description : In a refrigerator what produces the cooling ? (1) The ice which deposits on the freezer (2) The sudden expansion of a compressed gas (3) The evaporation of a volatile liquid (4) None of these
Last Answer : None of these
Description : In cold countries alcohol is preferred to mercury as a thermometric liquid because (a) alcohol is a better conductor of heat (b) alcohol can be coloured and its level seen easily (c) alcohol has a lower freezing point than mercury (d) alcohol is cheaper than mercury
Last Answer : Ans:(c)
Description : When hot liquid is poured into a thick glass tumbler, it cracks because glass – (1) is a bad conductor of heat so only inner surface expands (2) has high temperature coefficient of expansion (3) has a very low specific heat (4) has low temperature coefficient of expansion
Last Answer : (1) is a bad conductor of heat so only inner surface expands Explanation: When hot liquid is poured into a thick glass tumbler, it cracks because glass is a bad conductor of heat so only inner surface expands.
Description : When hot liquid is poured into a thick glass tumbler, it cracks because glass : (1) is a bad conductor of heat so only inner surface expands (2) has high temperature coefficient of expansion (3) has a very low specific heat (4) has low temperature coefficient of expansion
Last Answer : is a bad conductor of heat so only inner surface expands
Description : Woollen cloth protects the body from cold because – (1) it is a good conductor of heat (2) it is a poor conductor of heat (3) external heat rays enter into the body through the woollen cloth (4) it reflects heat
Last Answer : (2) it is a poor conductor of heat Explanation: It is just because woolen clothes have fibres and between those fibres air is trapped which reduces heat loss. It reduces heat loss because it is an insulator or poor conductor of heat.
Description : Wollen clothes keep the body warm because – (1) Wool increases the temperature of the body (2) Wool is a had conductor (3) Wool absorbs radiant heat from outer objects (4) Wool rejects heat from the outer objects
Last Answer : (2) Wool is a had conductor Explanation: It is just because woolen clothes have fibres and between those fibres air is trapped which reduces heat loss. Air reduces heat loss because it is an ... have a greater bulk than other textiles, and retain air, which causes the product to retain heat.
Description : Out of 100 kcal/second of incident radiant energy on the surface of a thermally transparent body, 300 kcal/second is reflected back. If the transmissivity of the body is 0.25, the emissivity of the surface will be (A) 0.35 (B) 0.45 (C) 0.55 (D) 0.85
Last Answer : (B) 0.45
Description : The transparent lens in the human eye is held in its place by (a) ligaments attached to the ciliary body (b) ligaments attached to the iris (c) smooth muscles attached to the iris (d) smooth muscles attached to the ciliary body
Last Answer : (a) ligaments attached to the ciliary body
Description : The transparent lens in the human eye is held in its place by (1) ligaments attached to the ciliary body (2) ligaments attached to the iris (3) smooth muscles attached to the iris (4) smooth muscles attached to the ciliary body
Last Answer : (1) ligaments attached to the ciliary body
Description : Why does your body give you a good sensation when you scratch something you're not supposed to?
Last Answer : Scratching a scab may cause an infection. Many rashes itch because of allergic reactions. Poison ivy is impossible to not scratch without applying some lotion or aloe. The culprit behind the rash is a ... (, Western poison oak , and poison sumac are all members of the same family- Source.
Description : Burning sensation while urinating, fever in body and rash on skin. What medicine should I take for this and how long should I take this medicine ?
Last Answer : You can use Hamdard Safi Syrup. As well as tablet neofloxacin 500 mg 1 + 0 + 1 after meals. 7 days. Tablet sitin. 10 days. 0 + 0 + 1 after meals.
Description : Which of following statement is incorrect according to BBCR Repertory Options: 1) Radiating pain is given under Sensation & Complaints in General 2) Typhoid fever is given under Fever - Pathological types 3) Pregnancy is given under Sexual Impulse 4) Tetters is given in Skin & Exterior body
Last Answer : Correct Answer: 3) Pregnancy is given under Sexual Impulse
Description : Which river in the world has the most transparent water ?
Last Answer : The water of the river "Lobak" is the clearest in the world.
Description : The sensation of weightlessness in a spacecraft in an orbit is due to the - (1) Absence of gravity outside (2) Acceleration in the orbit which is equal to the acceleration due to gravity outside ... of gravity outside but not inside the spacecraft (4) Fact that spacecraft in the orbit has no energy
Last Answer : (2) Acceleration in the orbit which is equal to the acceleration due to gravity outside Explanation: Weightlessness in space is caused by the simple physical factors that cause the limitation of gravity. ... . Many people believe that a lack of gravity is the root cause for weightlessness in space.
Description : If you were from a highly advanced civilization would you want to contact Humans?
Last Answer : you know what? I don’t think I would.