Description : Methyl isocyanate (MIC) gas (TLV
Last Answer : (D) Very extremely
Description : TLV of ozone (O3 ) and phosgene (COCl2 ) in air is __________ ppm. (A) 0.1 (B) 25 (C) 100 (D) 1000
Last Answer : (A) 0.1
Description : The Killer gas which caused Bhopal gas tragedy in 1984 was (A) Phosgene (B) Methyl isocyanate (MIC) (C) Carbon monoxide (D) Sulphur dioxide
Last Answer : (B) Methyl isocyanate (MIC)
Description : Threshold limit value (TLV) means maximum permissible/acceptable concentration. TLV of phosgene in air is about __________ ppm (parts per million). (A) 0.002 (B) 0.2 (C) 1.2 (D) 4.8
Last Answer : (B) 0.2
Description : Threshold limit value (TLV) i.e., the maximum permissible safe limit of phosgene gas which Hitler used to use to kill his enemies in 'gas chamber' is about __________ ppm. (A) < 1 (B) 10-100 (C) 100-200 (D) 100-1000
Last Answer : (A) < 1
Description : The Bhopal tragedy was caused by the gas - (1) phosgene (2) carbon monoxide (3) methyl isocyanate (4) chlorine
Last Answer : (3) methyl isocyanate Explanation: The Bhopal disaster occurred on the night of 2-3 December 1984 at the Union Carbide India Limited (UCIL) pesticide plant in Bhopal, Madhya Pradesh. Over 500,000 people were exposed to methyl isocyanate gas and other chemicals.
Description : The Bhopal tragedy was caused by the gas (1) phosgene (2) carbon monoxide (3) methyl isocyanate (4) chlorine
Last Answer : methyl isocyanate
Description : TLV of mercury in potable (drinking) water is about __________ ppm. (A) 0.001 (B) 0.1 (C) 1 (D) 5
Last Answer : (A) 0.001
Description : Out of the following, TLV of __________ is maximum (about 500 ppm). (A) Carbon dioxide (B) Toluene (C) Carbon disulphide (D) Acetaldehyde
Last Answer : (A) Carbon dioxide
Description : Threshold Limit Value (TLV) is the maximum allowable concentration (i.e. safe limit) of pollutants in air. Safe limit for SO2 in air is __________ ppm. (A) 5 (B) 500 (C) 1000 (D) 2000
Last Answer : (A) 5
Description : A gas is termed as non-toxic, if its maximum permissible concentration (TLV) ranges from __________ ppm. (A) 1000 to 2000 (B) 3000 to 6000 (C) 6000 to 9000 (D) 10000 to 100000
Last Answer : (D) 10000 to 100000
Description : Permissible safe limit (TLV) of __________ toxic gas is 100-1000 parts per million (ppm). (A) Highly (B) Moderately (C) Extremely (D) Very extremely
Last Answer : (B) Moderately
Description : TLV of ammonia, nitrogen dioxide and phenol vapor in air is __________ ppm. (A) 5 (B) 100 (C) 1000 (D) 2000
Description : Threshold limit value (TLV) of CO in air is __________ ppm. (A) 5 (B) 50 (C) 2000 (D) 5000
Last Answer : (B) 50
Description : TLV of lead for public sewer/waste water is about __________ ppm. (A) 1 (B) 25 (C) 150 (D) 650
Last Answer : (A) 1
Description : TLV of NO2 & NO exposure for the human being is 5 & 25 ppm respectively. Prolonged exposure of human being to NO2 causes (A) Skin disorder (B) Bronchitis (C) Bone disease (D) Cancer
Last Answer : (B) Bronchitis
Description : Presence of carbon monoxide in atmosphere produced by decomposition of chlorophyll and haemoglobin breakdown of some animals, beyond TLV (>50 ppm) (A) Acts as a green house gas thereby raising earth's ... (B) Causes asphyxia (C) Causes increase in sea level (D) Enhances the green house effect
Last Answer : (B) Causes asphyxia
Description : Safe limit' called Threshold Limit Value (TLV) of carbon monoxide in atmospheric air is < 50 ppm. The main source of carbon monoxide pollutant in air is the (A) Industrial chimney exhaust (B) Automobiles exhaust (C) Photochemical reaction in polluted atmosphere (D) Burning of domestic fuel
Last Answer : (B) Automobiles exhaust
Description : Bromine content in sea water may be around __________ ppm. (A) 70 (B) 640 (C) 1875 (D) 2500
Last Answer : (A) 70
Description : Sea water contains about __________ ppm of bromine. (A) 5 (B) 70 (C) 500 (D) 1700
Last Answer : (B) 70
Description : Drinking of mineral water with very low levels of pesticides (about 0.02 ppm) for long periods may:
Last Answer : Drinking of mineral water with very low levels of pesticides (about 0.02 ppm) for long ... . cause leukaemia D. Produce immunity against mosquito.
Description : In 1984 the Bhopal gas tragedy took place because methyl isocyanate reacted with:
Last Answer : In 1984 the Bhopal gas tragedy took place because methyl isocyanate reacted with: A. DDT B. Ammonia C. `CO_(2)` D. Water.
Description : Methyl isocyanate of Bhopal gas tragedy was
Last Answer : Methyl isocyanate of Bhopal gas tragedy was A. Carbamate B. Organophosphate C. Organochlorine D. None of the above
Last Answer : In 1984 the Bhopal gas tragedy took place because methyl isocyanate reacted with: A. Reacted with ... C. Reacted with water D. Reacted with DDT
Description : Which of the following gas leaked in the Bhopal Gas tragedy in December 1984? (1) Methyl isocyanate (2) Methyl isochlorate (3) Methyl phosphate (4) Methyl isopropate
Last Answer : (1) Methyl isocyanate Explanation: In the gas tragedy that occurred at the Union Carbide India Limited pesticide plant in Bhopal, Madhya Pradesh, on 2-3 December 1984, over 500,000 people were exposed to toxic methyl isocyanate (MIC) gas and other chemicals. An estimated 10,000 or more people died.
Description : Minamata disease was caused due to – (1) Lead (2) Cyanide (3) Mercury (4) Methyl isocyanate
Last Answer : (3) Mercury Explanation: Mimamata disease in Japan was caused due to mercury.
Description : "Bhopal gas tragedy" 1984 is related to – (1) Aluminium Phosphide (2) Methyl bromide (3) Methyl isocyanate (4) Carbon dioxide
Last Answer : (3) Methyl isocyanate Explanation: In the Bhopal disaster which took place on 2-3 December, 1984 over 500,000 people were exposed to methyl isocyanate gas and other chemicals. The toxic substance made its way in and around the shantytowns located near the plant.
Description : Bhopal has tragedy is associated with leakage of – (1) carbon dioxide (2) nitrogen dioxide (3) sulphur dioxide (4) methyl isocyanate
Last Answer : (4) methyl isocyanate Explanation: The Bhopal disaster, also referred to as the Bhopal has tragedy, was a gas leak incident in India, considered one of the world's worst industrial disasters. ... other chemicals. The toxic substance made its way in and around the shantytowns located near the plant.
Description : Which gas caused Bhopal Gas Tragedy? (a) Methyl Isocyanate (b) Carbon dioxide (c) Oxygen (d) Methane
Last Answer : (a) Methyl Isocyanate
Description : The toxic gas released from Bhopal Gas Tragedy was (a) Methyl Isocyanate (b) Potassium Isocyanate (c) Sodium Isocyanate (d) Methyl Isothiocyanate
Description : The name of the chemical leakage in Bhopal Gas Tragedy – a) Carbon dioxide b) Methyl Isocyanate c) Hydrogen d) Sulphur oxide
Last Answer : b) Methyl Isocyanate
Last Answer : Methyl isocyanate
Description : Minamata disease was caused due to (1) Lead (2) Cyanide (3) Mercury (4) Methyl isocyanate
Last Answer : Mercury
Description : “Bhopal gas tragedy” 1984 is related to (1) Aluminium Phosphide (2) Methyl bromide (3) Methyl isocyanate (4) Carbon dioxide
Description : Bhopal gas tragedy is associated with leakage of (1) carbon dioxide (2) nitrogen dioxide (3) sulphur dioxide (4) methyl isocyanate
Description : Steel will respond to hardening by heat treatment processes, only when the minimum carbon content in it is __________ percent. (A) 0.02 (B) 0.2 (C) 0.35 (D) 0.5
Description : TLV of aldrin in public water supply system is about __________ μg/litre. (A) 0.5 (B) 17 (C) 357 (D) 1097
Last Answer : (B) 17
Description : The most common constituents of alkalinity in natural water are measured by titrating the water sample with 0.02 N H2SO4 using (a) Eriochrome Black T and Ferroin indicators (b) Ferroin ... (c) Phenolphthalein and Methyl Orange indicators (d) Methyl Orange and Ericochrome Black T indicators
Last Answer : (c) Phenolphthalein and Methyl Orange indicators
Description : Condensation of bisphenol A with phosgene produces __________ which possess very good heat resistance. (A) Polyurethane (B) Polysulfone (C) Polycarbonate (D) Polyester
Last Answer : (C) Polycarbonate
Description : As per the world health organisation (WHO) specification, the maximum permissible concentration (i.e., TLV) of particulate matter in air is __________ μg/m3 .(μg-microgram) (A) 10 (B) 90 (C) 800 (D) 750
Last Answer : (B) 90
Description : Maximum permissible concentration (i.e. TLV) of DDT in public water supply system is __________ micro gram (μ g)/litre. (A) 22 (B) 42 (C) 332 (D) 1050
Last Answer : (B) 42
Description : `S_(1):(HPO_(3))_(n)` can be prepared by heating phosphorous acid and bromine in a sealed tube. `S_(2)` : dry iodine reacts with ozone and formed yell
Last Answer : `S_(1):(HPO_(3))_(n)` can be prepared by heating phosphorous acid and bromine in a sealed tube. `S_(2)` : ... below 369 K. A. FTF B. TTF C. TTT D. TFF
Description : Which element in chlorofluorocarbons (CFCs) is responsible for destroying the Earth's ozone layer? w) oxygen x) fluorine y) chlorine z) bromine
Last Answer : ANSWER: Y -- CHLORINE
Description : Tolerable limit of nitrogen oxides in air is __________ ppm. (A) 0.1 (B) 1 (C) 5 (D) 25
Last Answer : (C) 5
Description : When the concentration of SO2 in air is greater than __________ ppm, it gives a pungent smell. (A) 0.01 (B) 0.1 (C) 1 (D) 4
Last Answer : (D) 4
Description : If carbon monoxide content in atmospheric air exceeds __________ ppm, death is bound to occur. (A) 50 (B) 500 (C) 1000 (D) 3000 (i.e. 0.3%
Last Answer : (D) 3000 (i.e. 0.3%
Description : Industrial production of chloroform requires acetone and (A) Phosgene (B) Calcium hypochlorite (C) Chlorine (D) Ammonium chloride
Last Answer : (B) Calcium hypochlorite
Description : The difference in one unit of Rockwell hardness number corresponds to a difference in the depth of indentation of __________ mm. (A) 0.001 (B) 0.01 (C) 0.002 (D) 0.02
Last Answer : Option C
Description : Which of the following is ozone depleting pesticide? (1) D.D.T. (2) Benzene (3) Methyl bromide (4) Ethylene ozonide
Last Answer : (3) Methyl bromide Explanation: Methyl bromide- is considered to be a significant ozone depleting substance (ODS) by atmospheric scientists. While methyl bromide is a natural substance, the additional methyl ... impact not only to human health and the environment, but to agricultural crops as well.
Description : Which of the following is ozone depleting pesticide ? (1) D.D.T. (2) Benzene (3) Methyl bromide (4) Ethylene ozonide
Last Answer : Methyl bromide