Heavy water is - (1) Monoterium oxide (2) Polyterium oxide (3) Deuterium oxide (4) Trisium oxide

Heavy water is - (1) Monoterium oxide (2) Polyterium oxide (3) Deuterium oxide (4) Trisium oxide
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(3) Deuterium oxide Explanation: Heavy water (D2O) is also called deuterium oxide. It is water composed of deuterium, the hydrogen isotope with a mass double that of ordinary hydrogen, and oxygen.
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Heavy water is – (1) Deuterium (2) Rain water (3) Tritium oxide (4) Deuterium oxide

Description : Heavy water is – (1) Deuterium (2) Rain water (3) Tritium oxide (4) Deuterium oxide

Last Answer : (4) Deuterium oxide Explanation: Heavy water is deuterium oxide (2H2O). It is a form of water that contains a larger than normal amount of the hydrogen isotope deuterium (2H or D, also known as heavy ... 1 isotope (1H or H, also called protium) that makes up most of the hydrogen in normal water.

Heavy water is (1) Deuterium (2) Rain water (3) Tritium oxide (4) Deuterium oxide

Description : Heavy water is (1) Deuterium (2) Rain water (3) Tritium oxide (4) Deuterium oxide

Last Answer : Deuterium oxide

Heavy water' is termed as 'heavy' because it is (A) Denser than water (B) An oxide of deuterium (C) A heavy liquid (D) An oxide of heavier isotope of oxygen

Description : Heavy water' is termed as 'heavy' because it is (A) Denser than water (B) An oxide of deuterium (C) A heavy liquid (D) An oxide of heavier isotope of oxygen

Last Answer : (B) An oxide of deuterium

Deuterium oxide and inulin are injected into a normal 30-year-old man. The volume of distribution of deuterium oxide is found to be 42 L and that of inulin 14 L. a. The man’s intracellular fluid volume is about 14 L. b. The man’s intracellular fluid volume is about 28 L. c. The man’s plasma volume is about 7 L. d. The man’s interstitial fluid volume is about 9 L. e. The man’s total body water cannot be calculated from these data

Description : Deuterium oxide and inulin are injected into a normal 30-year-old man. The volume of distribution of deuterium oxide is found to be 42 L and that of inulin 14 L. a. The man's intracellular fluid ... fluid volume is about 9 L. e. The man's total body water cannot be calculated from these data

Last Answer : The man’s intracellular fluid volume is about 28 L.

Which of the following is a fuel for a fusion reactor (thermonuclear reactor)? (A) Deuterium and tritium (B) U-233 (C) Thorium (D) Heavy water

Description : Which of the following is a fuel for a fusion reactor (thermonuclear reactor)? (A) Deuterium and tritium (B) U-233 (C) Thorium (D) Heavy water

Last Answer : (A) Deuterium and tritium

Heavy water used in the nuclear reactors to slow down the speed of neutrons is (A) Highly purified water (B) A compound of oxygen and deuterium (C) Water having dissolved salts of heavy metals (D) None of these

Description : Heavy water used in the nuclear reactors to slow down the speed of neutrons is (A) Highly purified water (B) A compound of oxygen and deuterium (C) Water having dissolved salts of heavy metals (D) None of these

Last Answer : (B) A compound of oxygen and deuterium

Which one is radioactive in nature? (A) Helium (B) Deuterium (C) Heavy hydrogen (D) Tritium

Description : Which one is radioactive in nature? (A) Helium (B) Deuterium (C) Heavy hydrogen (D) Tritium

Last Answer : (D) Tritium

The lightest radioactive element is - (1) deuterium (2) polonium (3) technetium (4) uranium

Description : The lightest radioactive element is - (1) deuterium (2) polonium (3) technetium (4) uranium

Last Answer : (3) Technetium Explanation: Tritium is a radioactive isotope of hydrogen. It is the lightest radioactive element.

The element which is commonly used in nuclear for producing electricity by nuclear fission is – (1) Radium (2) Plutonium (3) Uranium (4) Deuterium

Description : The element which is commonly used in nuclear for producing electricity by nuclear fission is – (1) Radium (2) Plutonium (3) Uranium (4) Deuterium

Last Answer : (3) Uranium Explanation: Uranium is used to produce a chemical and nuclear reaction which makes a lot of heat.

The radioactive element used in heart pacemakers is – (1) Uranium (2) Deuterium (3) Plutonium (4) Radium

Description : The radioactive element used in heart pacemakers is – (1) Uranium (2) Deuterium (3) Plutonium (4) Radium

Last Answer : (1) Uranium Explanation: The actinides (or actinoids) are the chemical elements with atomic numbers between 90 and 109 inclusively. They occur between Groups 3 and 4 in Period 7 of the periodic table. ... scale, it is also used as a power source in smaller devices such as the heart pacemaker.

In an alkyl halide substitution of hydrogen by deuterium results in slow formation of ion pair. This is known as? a. Ortho effect b. Mesomeric effect c. Secondary kinetic isotope effect d. Primary kinetic isotope effect

Description : In an alkyl halide substitution of hydrogen by deuterium results in slow formation of ion pair. This is known as? a. Ortho effect b. Mesomeric effect c. Secondary kinetic isotope effect d. Primary kinetic isotope effect

Last Answer : c. Secondary kinetic isotope effect

The three isotopes of hydrogen are protium, tritiu and: w) heprin x) helium y) duodenum z) deuterium

Description : The three isotopes of hydrogen are protium, tritiu and: w) heprin x) helium y) duodenum z) deuterium

Last Answer : ANSWER: Z -- DEUTERIUM

Harold Clayton Urey, an American, received the 193 Nobel Prize in chemistry for his discovery of: w) Francium x) Americium y) deuterium z) protium

Description : Harold Clayton Urey, an American, received the 193 Nobel Prize in chemistry for his discovery of: w) Francium x) Americium y) deuterium z) protium

Last Answer : ANSWER: Y -- DEUTERIUM 

The lightest radioactive element is (1) deuterium (2) polonium (3) tritium (4) uranium

Description : The lightest radioactive element is (1) deuterium (2) polonium (3) tritium (4) uranium

Last Answer : tritium

The element which is commonly used in nuclear for producing electricity by nuclear fission is (1) Radium (2) Plutonium (3) Uranium (4) Deuterium

Description : The element which is commonly used in nuclear for producing electricity by nuclear fission is (1) Radium (2) Plutonium (3) Uranium (4) Deuterium

Last Answer : (3) Uranium It is the most common element used to get nuclear energy Hope this will you

The radio-active element used in heart pacemakers is (1) Uranium (2) Deuterium (3) Plutonium (4) Radium

Description : The radio-active element used in heart pacemakers is (1) Uranium (2) Deuterium (3) Plutonium (4) Radium

Last Answer : Uranium

What is the name of that system, which uses radioactivity to decide the period of materials of-pre-historic period ? (1) Radium dating (2) Uranium dating (3) Carbon dating (4) Deuterium dating

Description : What is the name of that system, which uses radioactivity to decide the period of materials of-pre-historic period ? (1) Radium dating (2) Uranium dating (3) Carbon dating (4) Deuterium dating

Last Answer : Carbon dating

The isotope deuterium of hydrogen has : -Science

Description : The isotope deuterium of hydrogen has : -Science

Last Answer : Hydrogen has no neutron, deuterium has one, and tritium has two neutrons. The isotopes of hydrogen have, respectively, mass numbers of one, two, and three.

A deuterium nucleus consists of which particles? -Do You Know?

Description : A deuterium nucleus consists of which particles? -Do You Know?

Last Answer : answer:

In which of the following reaction deuterium exchange is not observed ?

Description : In which of the following reaction deuterium exchange is not observed ?

Last Answer : In which of the following reaction deuterium exchange is not observed ? A. `CH_(3)-underset(O)underset(||)( ... (O)H)toD-underset(O)underset(||)(C)-D`

In which of the following reaction deuterium exchange is not observed ?

Description : In which of the following reaction deuterium exchange is not observed ?

Last Answer : In which of the following reaction deuterium exchange is not observed ? A. `CH_(3)-underset(O)underset(||)( ... (O)H)toD-underset(O)underset(||)(C)-D`

The source of enormous energy of sun is a)Fusion of hydrogen to form helium b)Fission of uranium c)Fusion of deuterium and tritium d)Fusion to tritium

Description : The source of enormous energy of sun is a)Fusion of hydrogen to form helium b)Fission of uranium c)Fusion of deuterium and tritium d)Fusion to tritium

Last Answer : The source of enormous energy of sun is a)Fusion of hydrogen to form helium b)Fission of uranium ... and tritium D. fission of tritium to form helium

Is deuterium an isotope?

Description : Is deuterium an isotope?

Last Answer : Having only one proton deuterium has the atomic number 1, ashydrogen; but because deuterium has also and a neutron, the atom isdifferent compared to the atom of hydrogen. Consequently deuteriumis an isotope of hydrogen with the Atomic Mass 2.

A deuterium nucleus consists of which particles?

Description : A deuterium nucleus consists of which particles?

Last Answer : One proton and one neutron

Commercial power generation from fusion reactor is not yet possible, because (A) It is difficult to control nuclear fusion reaction (B) The fuel required (i.e., deuterium & tritium) is scarce (C) It is difficult to initiate fusion reaction (D) Quantity of fuel required for initiating fusion reaction is prohibitively high

Description : Commercial power generation from fusion reactor is not yet possible, because (A) It is difficult to control nuclear fusion reaction (B) The fuel required (i.e., deuterium & tritium) is ... to initiate fusion reaction (D) Quantity of fuel required for initiating fusion reaction is prohibitively high

Last Answer : (A) It is difficult to control nuclear fusion reaction

Pick out the wrong statement. (A) The disintegration rate of a radioactive substance cannot be increased by heating it (B) Electrons have negligible mass and unit negative change (C) Deuterium atom has one proton and two neutrons in its nucleus (D) Cadmium is capable of absorbing neutrons

Description : Pick out the wrong statement. (A) The disintegration rate of a radioactive substance cannot be increased by heating it (B) Electrons have negligible mass and unit negative change (C) Deuterium atom has one proton and two neutrons in its nucleus (D) Cadmium is capable of absorbing neutrons

Last Answer : (C) Deuterium atom has one proton and two neutrons in its nucleus

Pick out the wrong statement. (A) The ratio of the density of the 'nucleus' to that of the 'atom' is 10 12 (B) α-particle is identical with a doubly charged helium ion (C) The mass of deuterium atom is half that of helium atom (D) Gamma rays are high energy electrons

Description : Pick out the wrong statement. (A) The ratio of the density of the 'nucleus' to that of the 'atom' is 10 12 (B) α-particle is identical with a doubly charged helium ion (C) The mass of deuterium atom is half that of helium atom (D) Gamma rays are high energy electrons

Last Answer : (D) Gamma rays are high energy electrons

Commercial power generation from fusion reactor is not yet possible, because (A) It is difficult to control fusion reaction (B) The fuel required (e.g. deuterium and tritium) is scarce (C) It is difficult to initiate fusion reaction (D) Quantity of fuel required for initiating fusion reaction is prohibitively high

Description : Commercial power generation from fusion reactor is not yet possible, because (A) It is difficult to control fusion reaction (B) The fuel required (e.g. deuterium and tritium) is scarce ... to initiate fusion reaction (D) Quantity of fuel required for initiating fusion reaction is prohibitively high

Last Answer : (A) It is difficult to control fusion reaction

Hydrogen differs from deuterium in __________ properties. (A) Radioactive (B) Physical (C) Chemical (D) All (A), (B) and (C

Description : Hydrogen differs from deuterium in __________ properties. (A) Radioactive (B) Physical (C) Chemical (D) All (A), (B) and (C

Last Answer : (B) Physical

Neutrons have mass approximately equal to that of __________ atoms. (A) Hydrogen (B) Helium (C) Deuterium (D) None of these

Description : Neutrons have mass approximately equal to that of __________ atoms. (A) Hydrogen (B) Helium (C) Deuterium (D) None of these

Last Answer : (A) Hydrogen

Both tritium and deuterium have the same number of (A) Neutrons (B) Electrons (C) Protons (D) Nucleons

Description : Both tritium and deuterium have the same number of (A) Neutrons (B) Electrons (C) Protons (D) Nucleons

Last Answer : (A) Neutrons

Which one is the radioactive isotope of hydrogen? (A) Deuterium (B) Ortho-hydrogen (C) Tritium (D) None of these

Description : Which one is the radioactive isotope of hydrogen? (A) Deuterium (B) Ortho-hydrogen (C) Tritium (D) None of these

Last Answer : (C) Tritium

The decay product of tritium (a beta emitter) is (A) Lithium (B) Helium (C) Deuterium (D) Hydrogen

Description : The decay product of tritium (a beta emitter) is (A) Lithium (B) Helium (C) Deuterium (D) Hydrogen

Last Answer : (B) Helium

Hydrogen bomb employs the nuclear fusion of (A) Hydrogen (B) Deuterium (C) Tritium (D) Helium

Description : Hydrogen bomb employs the nuclear fusion of (A) Hydrogen (B) Deuterium (C) Tritium (D) Helium

Last Answer : (B) Deuterium

Deuterium differs from Hydrogen in having: A. Different atomic number but same atomic weight B. Different atomic number and different atomic weight C. Same atomic number and different atomic weight (Answer) D. None

Description : Deuterium differs from Hydrogen in having: A. Different atomic number but same atomic weight B. Different atomic number and different atomic weight C. Same atomic number and different atomic weight (Answer) D. None

Last Answer : C. Same atomic number and different atomic weight (Answer)

All the atoms of the world comprise of electrons, proton & neutron except that of __________ atom in which neutron is absent. (A) Deuterium (B) Hydrogen (C) Neon (D) Helium

Description : All the atoms of the world comprise of electrons, proton & neutron except that of __________ atom in which neutron is absent. (A) Deuterium (B) Hydrogen (C) Neon (D) Helium

Last Answer : (B) Hydrogen

deuterium nucleus consists of which particles?

Description : deuterium nucleus consists of which particles?

Last Answer : One proton and one neutron

Of the following, which is the best fuel for a nuclear fusion reactor: w) hydrogen x) lithium y) deuterium z) helium

Description : Of the following, which is the best fuel for a nuclear fusion reactor: w) hydrogen x) lithium y) deuterium z) helium 

Last Answer : ANSWER: Y -- DEUTERIUM

The principle behind a breeder reactor is: w) U-235 undergoes fission. x) U-238 is converted to Pu-239, which undergoes fission. y) Deuterium undergoes fission. z) Cobalt-60 undergoes fission.

Description : The principle behind a breeder reactor is: w) U-235 undergoes fission. x) U-238 is converted to Pu-239, which undergoes fission. y) Deuterium undergoes fission. z) Cobalt-60 undergoes fission.

Last Answer : ANSWER: X -- U-238 IS CONVERTED TO Pu-239, WHICH UNDERGOES FISSION. 

1. A deuterium nucleus consists of which particles? 2. With which field is Begum Akhtar associated? 3. In which year, some more commercial banks in addition to the first lot of 141 were nationalised in India? 4. Penganga, Wardha and Wainganga are the tributaries of which river? 5. What was the first discourse of Buddha at Deer Park in Sarnath called?

Description : 1. A deuterium nucleus consists of which particles? 2. With which field is Begum Akhtar associated? 3. In which year, some more commercial banks in addition to the first lot of 141 were ... 20. Which Sultan of Delhi had accepted the Suzerainty of the Timurid ruler Mirza Shah Rukh ?

Last Answer : Answer : 1. One proton and one neutron 2. Vocal Music 3. 1980 4. Godavari 5. Dharmachakrapravartan 6. Latic Acid 7. Germany and Austria 8. Frequency 9. Jupiter 10. Hathigunipha inscription 11. K. R. Kamath ... 16. British Monarch 17. 5 18. Fourth 5-Yr Plan 19. 30,000 km 20. Khizr Khan Sayyid

(3) Oxides of nitrogen and sulphur Explanation: Acid rain is caused by emissions of oxides of Sulfur and Nitrogen (Sulfur Dioxide and Nitrogen Oxide), which react with the water molecules in the atmosphere to produce acids. The emissions of sulfur dioxide (SO2) and nitrogen oxides (NOx) result from fossil fuel combustion.

Description : (3) Oxides of nitrogen and sulphur Explanation: Acid rain is caused by emissions of oxides of Sulfur and Nitrogen (Sulfur Dioxide and Nitrogen Oxide), which react with the water molecules in the ... The emissions of sulfur dioxide (SO2) and nitrogen oxides (NOx) result from fossil fuel combustion.

Last Answer : (3) live wire and the neutral wire Explanation: Three wires enter most homes from the power pole-two "hot" wires and a third "neutral" wire. Each hot wire provides 120- volt current for ... the main switch is put off because the electric circuit (the path where the electricity travels) gets opened.

(3) preventing rapid setting of cement Explanation: Portland cement clinker is a hydraulic material which shall consist of at least two-thirds by mass of calcium silicates, the remainder consisting of aluminium- and ironcontaining clinker phases and other compounds. The ratio of CaO to SiO2 shall not be less than 2.0. The magnesium oxide content (MgO) shall not exceed 5.0% by mass. Cement sets when mixed with water by way of a complex series of chemical reactions still only partly understood.

Description : (3) preventing rapid setting of cement Explanation: Portland cement clinker is a hydraulic material which shall consist of at least two-thirds by mass of calcium silicates, the remainder consisting of ... mixed with water by way of a complex series of chemical reactions still only partly understood.

Last Answer : Milk is a colloidal system in which: (1) Water is dispersed in fat (2) Fat is dispersed in water (3) Fat and water are dispersed in each other (4) Fat is dissolved

Nitrogen in water is commonly found in the form of - (1) Nitrous oxide (2) Nitrate (3) Nitric oxide (4) Nitrite

Description : Nitrogen in water is commonly found in the form of - (1) Nitrous oxide (2) Nitrate (3) Nitric oxide (4) Nitrite

Last Answer : (2) Nitrate Explanation: Nitrate (NO3) is the most common form of inorganic nitrogen in unpolluted waters. Nitrate moves readily through soils and into ground water, where concentrations can be much higher than in surface waters. Water in coastal areas mainly contains elementary nitrogen gas (N2).

What product is formed when electricity is passed throughan aqueous solution of sodium chloride? (1) Sodium and water (2) Sodium oxide (3) Sodium and chlorine (4) Sodium hydroxide

Description : What product is formed when electricity is passed throughan aqueous solution of sodium chloride? (1) Sodium and water (2) Sodium oxide (3) Sodium and chlorine (4) Sodium hydroxide

Last Answer : (4) Sodium hydroxide Explanation: When electricity is passed through an aqueous solution of sodium chloride, it gives hydrogen, chlorine and sodium hydroxide as a product.

Lime water turns milky when carbon dioxide is passed through it. It is due to the for mation of: (1) Calcium Carbonate (2) Barium Carbonate (3) Calcium Hydrogen Carbonate (4) Calcium Oxide

Description : Lime water turns milky when carbon dioxide is passed through it. It is due to the for mation of: (1) Calcium Carbonate (2) Barium Carbonate (3) Calcium Hydrogen Carbonate (4) Calcium Oxide

Last Answer : (1) Calcium Carbonate Explanation: When carbon dioxide is passed through lime water for a short time, it turns lime water milky due to formation of a white precipitate of calcium carbonate.

Write balanced chemical equations for the following word equations: (a) Iron + Chlorine → Iron (III) chloride (b) Magnesium + dil sulphuric acid → Magnesium sulphate + water (c) Magnesium + oxygen → Magnesium oxide (d) Calcium oxide + water → Calcium hydroxide (e) Sodium + chlorine → Sodium chloride

Description : Write balanced chemical equations for the following word equations: (a) Iron + Chlorine → Iron (III) chloride (b) Magnesium + dil sulphuric acid → Magnesium sulphate + water (c) Magnesium + oxygen → ... oxide (d) Calcium oxide + water → Calcium hydroxide (e) Sodium + chlorine → Sodium chloride

Last Answer : (a) Iron + Chlorine → Iron (III) chloride 4Fe + 3Cl2 → 2F2Cl3 (b) Magnesium + dil sulphuric acid → Magnesium sulphate + water 2Mg + 2H2SO4 → 2MgSO4 + 2H2 (c) Magnesium + oxygen → Magnesium oxide 2Mg ... hydroxide CaO + H2O → Ca(OH)2 (e) Sodium + chlorine → Sodium chloride 2Na + Cl2 → 2NaCl

Which of the following would be least soluble in water? w) Carbon Tetrachloride x) Sodium Oxide y) Magnesium Bromide z) Potassium Phosphate

Description : Which of the following would be least soluble in water? w) Carbon Tetrachloride x) Sodium Oxide y) Magnesium Bromide z) Potassium Phosphate

Last Answer : ANSWER: W -- CARBON TETRACHLORIDE 

What will be formed when a metal oxide dissolves in water?

Description : What will be formed when a metal oxide dissolves in water?

Last Answer : ANSWER: A BASE

A crystallized substance containing water of crystallization is most appropriately termed: w) a hydrate x) an oxide y) a hydroxide z) a condensation crystal

Description : A crystallized substance containing water of crystallization is most appropriately termed: w) a hydrate x) an oxide y) a hydroxide z) a condensation crystal

Last Answer : ANSWER: W -- A HYDRATE

Which of the process is known as nitrification? (1) Reaction of Nitrogen Monoxide with oxygen to form nitric acid (2) Reaction of nitrogen dioxide with water to form nitric acid (3) Conversion of ammonia to nitrites (4) Conversion of nitrite to nitric oxide

Description : Which of the process is known as nitrification? (1) Reaction of Nitrogen Monoxide with oxygen to form nitric acid (2) Reaction of nitrogen dioxide with water to form nitric acid (3) Conversion of ammonia to nitrites (4) Conversion of nitrite to nitric oxide

Last Answer : Conversion of ammonia to nitrites