Give uses of heavy water. Can heavy water be used for drinking?

Give uses of heavy water. Can heavy water be used for drinking?
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Ans-It is used as moderator and to study the reaction mechanism.
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Dental caries occur due to (A) Drinking water containing less than 0.2 ppm of fluorine (B) Drinking water containing greater than 1.2 ppm of fluorine (C) Drinking water containing high calcium (D) Drinking water containing heavy metals

Description : Dental caries occur due to (A) Drinking water containing less than 0.2 ppm of fluorine (B) Drinking water containing greater than 1.2 ppm of fluorine (C) Drinking water containing high calcium (D) Drinking water containing heavy metals

Last Answer : Answer : A

Fluorosis occurs due to (A) Drinking water containing less than 0.2 ppm of fluorine (B) Drinking water containing high calcium (C) Drinking water containing greater than 1.2 ppm of fluroine (D) Drinking water containing heavy metals

Description : Fluorosis occurs due to (A) Drinking water containing less than 0.2 ppm of fluorine (B) Drinking water containing high calcium (C) Drinking water containing greater than 1.2 ppm of fluroine (D) Drinking water containing heavy metals

Last Answer : Answer : C

Have you been out on a night of heavy drinking?

Description : Have you been out on a night of heavy drinking?

Last Answer : I drink every night, but that hasn’t happened. Not yet anyways…not that they’d take you if you showed up there all fucked outta your face though.

Why does your head hurt so bad after a night of heavy drinking?

Description : Why does your head hurt so bad after a night of heavy drinking?

Last Answer : Dehydration.

Is it normal to feel fine after a night of heavy drinking?

Description : Is it normal to feel fine after a night of heavy drinking?

Last Answer : I’ve never had a hangover. Maybe it depends on what you drank or something? I don’t know. But yeah, after the night that I drank the most I’ve ever drunk I woke up early and did all the housework cause I felt great. Weird!

Select the drug that has been found to reduce alcohol craving and chances of resumed heavy drinking by alcoholics after they have undergone a detoxification programme: A. Chlordiazepoxide B. Chlorpromazine C. Methadone D. Naltrexone

Description : Select the drug that has been found to reduce alcohol craving and chances of resumed heavy drinking by alcoholics after they have undergone a detoxification programme: A. Chlordiazepoxide B. Chlorpromazine C. Methadone D. Naltrexone

Last Answer : D. Naltrexone

When domestic sewage mixes with river water (a) small animals like rats will die after drinking river water (b) the increased microbial activity releases micronutrients such as iron (c) the increased microbial activity uses up dissolved oxygen (d) the river water is still suitable for drinking as impurities are only about 0.1%.

Description : When domestic sewage mixes with river water (a) small animals like rats will die after drinking  river water (b) the increased microbial activity releases  micronutrients such as iron (c) the increased ... (d) the river water is still suitable for drinking as  impurities are only about 0.1%.

Last Answer : (c) the increased microbial activity uses up  dissolved oxygen

Demand for public uses in a city, does not include water required for (A) Watering of public parks (B) Watering of public gardens (C) Sprinkling on roads (D) Drinking purposes

Description : Demand for public uses in a city, does not include water required for (A) Watering of public parks (B) Watering of public gardens (C) Sprinkling on roads (D) Drinking purposes

Last Answer : (D) Drinking purposes

Which reactor uses heavy water as moderator ?

Description : Which reactor uses heavy water as moderator ?

Last Answer : CANDU.

A fast reactor uses: w) an extremely short time to get to the maximum operating reactivity. x) uranium-235 as fuel. y) heavy water as a coolant. z) essentially unmoderated neutrons.

Description : A fast reactor uses: w) an extremely short time to get to the maximum operating reactivity. x) uranium-235 as fuel. y) heavy water as a coolant. z) essentially unmoderated neutrons.

Last Answer : ANSWER: Z -- ESSENTIALLY UNMODERATED NEUTRONS.

Is zakat obligatory if gold is less than seven and a half ounces ? My wife has 5 heavy gold ornaments which she uses for various occasions. Besides, there is no more money or resources. What will be his zakat ? He has no income. If you have to pay zakat, will you sell the jewelry and pay zakat ?

Description : Is zakat obligatory if gold is less than seven and a half ounces ? My wife has 5 heavy gold ornaments which she uses for various occasions. Besides, there is no more money or resources. What will be his zakat ? He has no income. If you have to pay zakat, will you sell the jewelry and pay zakat ?

Last Answer : If your wife really does not have any other assets (such as cash , silver or business goods) other than 5 ounces of gold, then zakat will not be obligatory on you just because of that gold. Because zakat on ... ; Raddul Muhtar 2/296 ; Albahroor Rayek 2/228 , 2/228 ; Fatawa Tatarkhania 3/154 ; 263)

Potassium Permanganate is used for purifying drinking water, because ________. (1) It is a reducing agent (2) It is an oxidising agent (3) It is a sterilising agent (4) It dissolves the impurities of water

Description : Potassium Permanganate is used for purifying drinking water, because ________. (1) It is a reducing agent (2) It is an oxidising agent (3) It is a sterilising agent (4) It dissolves the impurities of water

Last Answer : (2) It is an oxidising agent Explanation: Potassium permanganate is a point-of-entry water treatment method that oxidizes dissolved iron, mancianese, and hydrogen sulfide into solid particles that are filtered ... to control iron bacteria growth in wells. It is an oxidant, but a poor disinfectant.

Maximum permissible concentration of total hardness in drinking water is – (1) 50 (2) 100 (3) 200 (4) 500

Description : Maximum permissible concentration of total hardness in drinking water is – (1) 50 (2) 100 (3) 200 (4) 500

Last Answer : (3) 200 Explanation: Maximum permissible concentration of total hardness in drinking water in 200.

Maximum permissible concentration of copper in drinking water in mg/L, is – (1) 0.01 (2) 0.05 (3) 1.0 (4) 2.0

Description : Maximum permissible concentration of copper in drinking water in mg/L, is – (1) 0.01 (2) 0.05 (3) 1.0 (4) 2.0

Last Answer : (3) 1.0 Explanation: The 1959 WHO International Standards for Drinking Water suggested that concentrations of copper greater than 1.5 mg/litre would markedly impair the potability of the water. However, ... 1.0 mg/litre was established for copper, based on its laundry and other staining properties.

Surface water is a better source of drinking water because it is poor in - (1) Dust (2) Bacteria (3) Arsenic (4) Algae

Description : Surface water is a better source of drinking water because it is poor in - (1) Dust (2) Bacteria (3) Arsenic (4) Algae

Last Answer : (3) Arsenic Explanation: Surface water is a better source of drinking water because it is poor in arsenic.

Maximum permissible concentration of copper in drinking water in mg/L is - (1) 0.01 (2) 0.05 (3) 1.0 (4) 2.0

Description : Maximum permissible concentration of copper in drinking water in mg/L is - (1) 0.01 (2) 0.05 (3) 1.0 (4) 2.0

Last Answer : (3) 1.0 Explanation: In the first edition of the Guidelines for Drinking Water Quality, published in 1984, a guideline value of 1.0 mg/litre was established for copper, based on its laundry and other staining properties.

A gas used as a disinfectant in drinking water is - (1) Hydrogen (2) Oxygen (3) Fluorine (4) Chlorine

Description : A gas used as a disinfectant in drinking water is - (1) Hydrogen (2) Oxygen (3) Fluorine (4) Chlorine

Last Answer : (4) Chlorine Explanation: Water chlorination is the process of adding chlorine or chlorine compounds such as sodium hypochlorite to water.

Bleaching powder is used in drinking water as a/an – (1) disinfectant (2) antibiotic (3) antiseptic (4) coagulant

Description : Bleaching powder is used in drinking water as a/an – (1) disinfectant (2) antibiotic (3) antiseptic (4) coagulant

Last Answer : (1) disinfectant Explanation: Bleach refers to a number of chemicals which remove colour, whiten or disinfect, often via oxidation. Bleaches are used as household chemicals to whiten clothes and ... to control bacteria, viruses and algae and in any institution where sterile conditions are needed.

Potassium Permanganate is used for purifying drinking water, because - (1) it dissolves the impurities of water (2) It is a sterilizing agent (3) It is an oxidising agent (4) It is a reducing agent

Description : Potassium Permanganate is used for purifying drinking water, because - (1) it dissolves the impurities of water (2) It is a sterilizing agent (3) It is an oxidising agent (4) It is a reducing agent

Last Answer : (3) It is an oxidising agent Explanation: Potassium permanganate is a point-of-entry treatment method that oxidizes dissolved iron, manganese, and hydrogen sulfide into solid particles that are filtered out of the water.

Potassium Permanganate is used for purifying drinking water, because_________ (1) It is a reducing agent (2) It is an oxidising agent (3) It is a sterilising agent (4) It dissolves the impurities of water

Description : Potassium Permanganate is used for purifying drinking water, because_________ (1) It is a reducing agent (2) It is an oxidising agent (3) It is a sterilising agent (4) It dissolves the impurities of water 

Last Answer :  It is an oxidising agent

Which of the following can be found as pollutants in the drinking water in some parts of India? Select the correct answer using the code given below. (A) Arsenic (B) Sorbitol (C) Fluoride (D) Formaldehyde (E) Uranium (1) B, D and E (2) A, B, C, D and E (3) A, C and E (4) A and C

Description : Which of the following can be found as pollutants in the drinking water in some parts of India? Select the correct answer using the code given below. (A) Arsenic (B) Sorbitol (C) Fluoride (D) Formaldehyde (E) Uranium (1) B, D and E (2) A, B, C, D and E (3) A, C and E (4) A and C

Last Answer : A, C and E 

Surface water is a better source of drinking water because it is poor in (1) Dust (2) Bacteria (3) Arsenic (4) Algae

Description : Surface water is a better source of drinking water because it is poor in (1) Dust (2) Bacteria (3) Arsenic (4) Algae

Last Answer : Arsenic

Maximum permissible concentration of total hardness in drinking water is (1) 50 (2) 100 (3) 200 (4) 500

Description : Maximum permissible concentration of total hardness in drinking water is (1) 50 (2) 100 (3) 200 (4) 500

Last Answer : 200

Maximum permissible concentration of copper in drinking water in mg/L is (1) 0.01 (2) 0.05 (3) 1.0 (4) 2.0

Description : Maximum permissible concentration of copper in drinking water in mg/L is (1) 0.01 (2) 0.05 (3) 1.0 (4) 2.0

Last Answer : 1.0

Bleaching powder is used in drinking water as a/an (1) disinfectant (2) antibiotic (3) antiseptic (4) coagulant

Description : Bleaching powder is used in drinking water as a/an (1) disinfectant (2) antibiotic (3) antiseptic (4) coagulant

Last Answer : disinfectant