Name the gas which is used in balloons in the place of hydrogen? (1) nitrogen (2) helium (3) neorn (4) argon

Name the gas which is used in balloons in the place of hydrogen? (1) nitrogen (2) helium (3) neorn (4) argon
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(2) helium Explanation: Helium is used in balloons in the place of hydrogen. This is because hydrogen is a combustible gas and when burst can cause skin burns.
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The gas used for filling weather balloons is – (1) helium (2) hydrogen (3) air (4) nitrogen

Description : The gas used for filling weather balloons is – (1) helium (2) hydrogen (3) air (4) nitrogen

Last Answer : (1) helium Explanation: A balloon is an inflatable flexible bag filled with a gas, such as helium, hydrogen, nitrous oxide, oxygen, or air. Modern balloons can be made from ... others are used for practical purposes such as meteorology, medical treatment, military defense, or transportation.

The gas used for filling weather balloons is (1) helium (2) hydrogen (3) air (4) nitrogen

Description : The gas used for filling weather balloons is (1) helium (2) hydrogen (3) air (4) nitrogen

Last Answer : helium

In deep-sea diving, divers use a mixture of gases consisting of oxygen and – (1) hydrogen (2) nitrogen (3) argon (4) helium

Description : In deep-sea diving, divers use a mixture of gases consisting of oxygen and – (1) hydrogen (2) nitrogen (3) argon (4) helium

Last Answer : (2) nitrogen Explanation: Air is not the "ideal" breathing mixture for diving as with a concentration of approximately 79 percent nitrogen, compressed air poses two potential problems for all divers: ... Nitrox, a gaseous mixture of nitrogen and oxygen. It is also known as 'Enriched Air.'

In deep-sea diving, divers use a mixture of gases consisting of oxygen and (1) hydrogen (2) nitrogen (3) argon (4) helium

Description : In deep-sea diving, divers use a mixture of gases consisting of oxygen and (1) hydrogen (2) nitrogen (3) argon (4) helium

Last Answer : nitrogen

Helium gas is used in gas balloons instead of hydrogen gas because it is (1) lighter than hydrogen (2) more abundant than hydrogen (3) non-combustible (4) more stable

Description : Helium gas is used in gas balloons instead of hydrogen gas because it is (1) lighter than hydrogen (2) more abundant than hydrogen (3) non-combustible (4) more stable 

Last Answer : non-combustible

In which of the following groups, are the elements written in the descending order of their respective atomic weights? (a) Nitrogen, carbon, oxygen, hydrogen (b) Oxygen, argon, nitrogen, hydrogen (c) Oxygen, nitrogen, helium, hydrogen (d) Oxygen, nitrogen, helium, bromine

Description : In which of the following groups, are the elements written in the descending order of their respective atomic weights? (a) Nitrogen, carbon, oxygen, hydrogen (b) Oxygen, argon, nitrogen, hydrogen (c) Oxygen, nitrogen, helium, hydrogen (d) Oxygen, nitrogen, helium, bromine

Last Answer : Ans:(c)

The inert gas which is substituted for nitrogen in the air used by deep sea divers for Breathing is: (1) Neon (2) Argon (3) Krypton (4) Helium

Description : The inert gas which is substituted for nitrogen in the air used by deep sea divers for Breathing is: (1) Neon (2) Argon (3) Krypton (4) Helium

Last Answer : (4) Helium Explanation: Helium is used since it has very low (almost non-existent) narcotic properties. The nitrogen in air is highly narcotic at depth and adding helium allows one to dive without the effects of narcosis (where one's mind is impaired).

The inert gas which is substituted for nitrogen in the air used by deep sea divers for breathing is – (1) Neon (2) Krypton (3) Argon (4) Helium

Description : The inert gas which is substituted for nitrogen in the air used by deep sea divers for breathing is – (1) Neon (2) Krypton (3) Argon (4) Helium

Last Answer : (4) Helium Explanation: Helium is used by deep sea divers because it reduces the narcosis of nitrogen and it remains below the oxygen toxicity limits. In fact, they use tri mix of Oxygen, helium and a little bit of nitrogen.

The gas used to dilute oxygen for breathing by deep sea divers is- (1) Neon (2) Argon (3) Nitrogen (4) Helium

Description : The gas used to dilute oxygen for breathing by deep sea divers is- (1) Neon (2) Argon (3) Nitrogen (4) Helium

Last Answer : (4) Helium Explanation: Helium is used since it has very low (almost non-existent) narcotic properties. The nitrogen in air is highly narcotic at depth and adding helium allows one to dive without the effects of narcosis (where one's mind is impaired).

The inert gas which is substituted for nitrogen in the air used by deep sea divers for breathing, is - (1) Xenon (2) Krypton (3) Argon (4) Helium

Description : The inert gas which is substituted for nitrogen in the air used by deep sea divers for breathing, is - (1) Xenon (2) Krypton (3) Argon (4) Helium

Last Answer : (4) Helium Explanation: Trimix is a breathing gas, consisting of oxygen, helium and nitrogen, and is often used in deep commercial diving. The helium is included as a substitute for some ... possible to create mixes suitable for different depths or purposes by adjusting the proportions of each gas.

The inert gas which is substituted for nitrogen in the air used by deep sea divers for breathing, is (1) Xenon (2) Krypton (3) Argon (4) Helium

Description : The inert gas which is substituted for nitrogen in the air used by deep sea divers for breathing, is (1) Xenon (2) Krypton (3) Argon (4) Helium

Last Answer : Helium

The inert gas which is substituted for nitrogen in the air used by deep sea divers for Breathing is: (1) Neon (2) Argon (3) Krypton (4) Helium

Description : The inert gas which is substituted for nitrogen in the air used by deep sea divers for Breathing is: (1) Neon (2) Argon (3) Krypton (4) Helium

Last Answer : Helium

The gas used to dilute oxygen for breathing by deep sea divers is: (1) Neon (2) Argon (3) Nitrogen (4) Helium

Description : The gas used to dilute oxygen for breathing by deep sea divers is: (1) Neon (2) Argon (3) Nitrogen (4) Helium

Last Answer : Helium

Which of the following is not a noble gas? (1) Hydrogen (2) Helium (3) Neon (4) Argon

Description : Which of the following is not a noble gas? (1) Hydrogen (2) Helium (3) Neon (4) Argon

Last Answer : (1) Hydrogen Explanation: The noble gases are the chemical elements in group 18 of the periodic table. This chemical series contains helium, neon, argon, krypton, xenon, and radon.

Which of the following is not a noble gas ? (1) Hydrogen (2) Helium (3) Neon (4) Argon

Description : Which of the following is not a noble gas ? (1) Hydrogen (2) Helium (3) Neon (4) Argon

Last Answer : Hydrogen

Which gas is commonly used in balloons and airships? A. Hydrogen B. Helium C. Carbon D. Hydrogen Sulphide

Description : Which gas is commonly used in balloons and airships? A. Hydrogen B. Helium C. Carbon D. Hydrogen Sulphide

Last Answer : ANSWER: B

25 Which gas is commonly used in balloons and airships? A. Hydrogen B. Helium C. Carbon D. Hydrogen Sulphide

Description : 25 Which gas is commonly used in balloons and airships? A. Hydrogen B. Helium C. Carbon D. Hydrogen Sulphide

Last Answer : ANSWER: B

In addition to hydrogen, the other abundant element present on Sun’s surface is - (1) Helium (2) Neon (3) Argon (4) Oxygen

Description : In addition to hydrogen, the other abundant element present on Sun’s surface is - (1) Helium (2) Neon (3) Argon (4) Oxygen

Last Answer : (1) Helium Explanation: The Sun is composed primarily of the chemical elements hydrogen and helium; they account for 74.9% and 23.8% of the mass of the Sun in the photosphere, respectively. All ... out of which it formed: the hydrogen and helium in the Sun were produced by Big Bang nucleosynthesis.

In addition to hydrogen, the other abundant element present on Sun’s surface is (1) Helium (2) Neon (3) Argon (4) Oxygen

Description : In addition to hydrogen, the other abundant element present on Sun’s surface is (1) Helium (2) Neon (3) Argon (4) Oxygen

Last Answer : Helium

(2) it is lighter than air Explanation: Helium is the second lightest element and is the second most abundant element in the observable universe, being present at about 24% of the total elemental mass, which is more than 12 times the mass of all the heavier elements combined. A well-known but minor use is as a lifting gas in balloons and airships

Description : (2) it is lighter than air Explanation: Helium is the second lightest element and is the second most abundant element in the observable universe, being present at about 24% of the total elemental mass ... elements combined. A well-known but minor use is as a lifting gas in balloons and airships

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Which of the following is an Inert Gas? (1) Hydrogen (2) Nitrogen (3) Oxygen (4) Argon

Description : Which of the following is an Inert Gas? (1) Hydrogen (2) Nitrogen (3) Oxygen (4) Argon

Last Answer : (4) Argon Explanation: Argon is an inert gas (noble gas) that is placed in Group 18 of the periodic table. It is the most abundant noble gas in Earth's crust, comprising 20.00015% of the crust. Helium ... (Ar), Krypton (Kr), Xenon (Xe), and Radon (Rn) are other noble gases that occur naturally.

Which of the following is a noble gas - (1) Argon (2) Hydrogen (3) Oxygen (4) Nitrogen

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Description : Common type of Laser used in physics laboratories is a) hydrogen neon Laser b) helium-neon Laser c) carbon neon Laser d) argon neon laser

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Description : Which one of the following elements is an example of noble gas? (1) Nitrogen (2) Hydrogen (3) Chlorine (4) Helium

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Carbon monoxide is an inflammable gas. Which one of the following is also inflammable? (1) Helium (2) Nitrogen (3) Oxygen (4) Hydrogen

Description : Carbon monoxide is an inflammable gas. Which one of the following is also inflammable? (1) Helium (2) Nitrogen (3) Oxygen (4) Hydrogen

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Description : The gas which turns into liquid at the lowest temperature among the following is – (1) hydrogen (2) oxygen (3) helium (4) nitrogen

Last Answer : (1) hydrogen Explanation: Liquid hydrogen (LH2) is the liquid state, of the element hydrogen. Hydrogen is found naturally in the molecular H2 form. To exist as a liquid, H2 must ... method of obtaining liquid hydrogen involves a compressor resembling a jet engine in both appearance and principle.

Which one of the following elements is an example of noble gas ? (1) Nitrogen (2) Hydrogen (3) Chlorine (4) Helium

Description : Which one of the following elements is an example of noble gas ? (1) Nitrogen (2) Hydrogen (3) Chlorine (4) Helium

Last Answer : Helium

Carbon monoxide is an inflammable gas. Which one of the following is also inflammable? (1) Helium (2) Nitrogen (3) Oxygen (4) Hydrogen

Description : Carbon monoxide is an inflammable gas. Which one of the following is also inflammable? (1) Helium (2) Nitrogen (3) Oxygen (4) Hydrogen

Last Answer : Hydrogen

The gas which turns into liquid at the lowest temperature among the following is (1) hydrogen (2) oxygen (3) helium (4) nitrogen

Description : The gas which turns into liquid at the lowest temperature among the following is (1) hydrogen (2) oxygen (3) helium (4) nitrogen

Last Answer : hydrogen

Which among the following is used to dilute oxygen in the gas cylinders used by divers? (1) Krypton (2) Argon (3) Helium (4) Neon

Description : Which among the following is used to dilute oxygen in the gas cylinders used by divers? (1) Krypton (2) Argon (3) Helium (4) Neon

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An inert gas mixed with oxygen given to patients suffering from restricted breathing is – (1) Helium (2) Krypton (3) Radon (4) Argon

Description : An inert gas mixed with oxygen given to patients suffering from restricted breathing is – (1) Helium (2) Krypton (3) Radon (4) Argon

Last Answer : (1) Helium Explanation: Heliox is a breathing has composed of a mixture of helium (He) and oxygen (O2). Heliox has been used medically since the 1930s, and although the medical community adopted ... its range of medical uses has since expanded greatly, mostly because of the low density of the gas

Which among the following is used to dilute oxygen in the gas cylinders used by divers ? (1) Krypton (2) Argon (3) Helium (4) Neon

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Last Answer : Helium

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Description : An inert gas mixed with oxygen given to patients suffering from restricted breathing is (1) Helium (2) Krypton (3) Radon (4) Argon

Last Answer : Helium

The most abundant inert gas in the atmosphere is (1) Helium (2) Neon (3) Argon (4) Krypton

Description : The most abundant inert gas in the atmosphere is (1) Helium (2) Neon (3) Argon (4) Krypton

Last Answer : Argon

Where Can I get Helium gas for Balloons?

Description : Where Can I get Helium gas for Balloons?

Last Answer : You can buy helium at Amazon or flipcart. You can not make He at home He is a noble gas you may know . It is extracted from natural gas during the extraction of natural gas from petroleum wells.

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Description : What will Happen If I inhale Helium gas from balloons?

Last Answer : If you take one hit you still have oxygen in your lungs, so you live a while longer. If you take a second hit, you have depleted the oxygen in your lungs. At some point you pass out from lack of ... take one hit at a time. But inhaling nitrogen is different: you can pass out with a single breath.

A standardized base solution should be protected from which of the following gases? w) hydrogen x) carbon dioxide y) nitrogen z) argon

Description : A standardized base solution should be protected from which of the following gases? w) hydrogen x) carbon dioxide y) nitrogen z) argon

Last Answer : ANSWER: X -- CARBON DIOXIDE 

Which of the following could be used as fuel in propellant or rockets ? (1) Liquid Hydrogen + Liquid Nitrogen (2) Liquid Oxygen + Liquid Argon (3) Liquid Nitrogen + Liquid Oxygen (4) Liquid Hydrogen + Liquid Oxygen

Description : Which of the following could be used as fuel in propellant or rockets ? (1) Liquid Hydrogen + Liquid Nitrogen (2) Liquid Oxygen + Liquid Argon (3) Liquid Nitrogen + Liquid Oxygen (4) Liquid Hydrogen + Liquid Oxygen

Last Answer : Liquid Hydrogen + Liquid Oxygen

__________ gas is normally not used as a coolant in a nuclear reactor, because of its high neutron capture cross-section. (A) Nitrogen (B) Hydrogen (C) Helium (D) Carbon dioxide

Description : __________ gas is normally not used as a coolant in a nuclear reactor, because of its high neutron capture cross-section. (A) Nitrogen (B) Hydrogen (C) Helium (D) Carbon dioxide

Last Answer : (A) Nitrogen

Which gas was discovered on the sun about 151 years ago during total solar eclipse? A. Hydrogen B. Helium (Answer) C. Nitrogen D. Flourine

Description : Which gas was discovered on the sun about 151 years ago during total solar eclipse? A. Hydrogen B. Helium (Answer) C. Nitrogen D. Flourine

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Description : In the manufacture of banaspati ghee the gas used is -----? A. Helium B. Hydrogen (Answer) C. Oxygen D. Nitrogen

Last Answer : B. Hydrogen (Answer)

What kind of gas inflates in an airbag a) Hydrogen b) Oxygen c) Helium d) Nitrogen

Description : What kind of gas inflates in an airbag a) Hydrogen b) Oxygen c) Helium d) Nitrogen

Last Answer : d) Nitrogen

The gas which was identified in the Sun using spectroscopy before its discovery on earth, is a) oxygen b) hydrogen c) helium d) nitrogen

Description : The gas which was identified in the Sun using spectroscopy before its discovery on earth, is a) oxygen b) hydrogen c) helium d) nitrogen

Last Answer : c) helium

The noble gas which occurs most abundantly in the atmosphere is (A) Helium (B) Neon (C) Krypton (D) Argon

Description : The noble gas which occurs most abundantly in the atmosphere is (A) Helium (B) Neon (C) Krypton (D) Argon

Last Answer : (D) Argon

The noble gas used for the treatment of cancer is (1) Helium (2) Argon (3) Krypton (4) Radon

Description : The noble gas used for the treatment of cancer is (1) Helium (2) Argon (3) Krypton (4) Radon

Last Answer : Radon

Which of the following gases is mixed with oxygen for breathing by divers in aqualungs? (1) Methane (2) Nitrogen (3) Helium (4) Hydrogen

Description : Which of the following gases is mixed with oxygen for breathing by divers in aqualungs? (1) Methane (2) Nitrogen (3) Helium (4) Hydrogen

Last Answer : (2) Nitrogen Explanation: For some diving, has mixtures other than normal atmospheric air (21 % oxygen, 78% nitrogen, 1% trace gases) can be used, so long as the diver is properly ... reducing the likelihood of decompression sickness or allowing longer exposure to the same pressure for equal risk.

Which of the following gases is mixed with oxygen for breathing by divers in aqualungs? (1) Methane (2) Nitrogen (3) Helium (4) Hydrogen

Description : Which of the following gases is mixed with oxygen for breathing by divers in aqualungs? (1) Methane (2) Nitrogen (3) Helium (4) Hydrogen

Last Answer : Nitrogen

Which of the inert gases can form compounds? (1) Helium (2) Xenon (3) Krypton (4) Argon

Description : Which of the inert gases can form compounds? (1) Helium (2) Xenon (3) Krypton (4) Argon

Last Answer : (2) Xenon Explanation: Xenon compounds are the most numerous of the noble gas compounds that have been formed. Most of them have the xenon atom in the oxidation state of +2, +4, +6, or ... such as fluorine or oxygen. Some of these compounds have found use in chemical synthesis as oxidizing agents.

Which of the following elements has the highest first ionization energy? w) Helium x) Neon y) Fluorine z) Argon

Description : Which of the following elements has the highest first ionization energy? w) Helium x) Neon y) Fluorine z) Argon

Last Answer : ANSWER: W -- HELIUM

Which one of the following statements is TRUE regarding the molar heat capacity for the noble gases? w) heat capacity decreases from Helium to Xenon x) heat capacity increases from helium to argon y) heat capacity increases from Helium to Argon, then decreases to Xenon z) heat capacity is the same for all noble gases

Description : Which one of the following statements is TRUE regarding the molar heat capacity for the noble gases? w) heat capacity decreases from Helium to Xenon x) heat capacity increases from helium to argon y) heat ... Helium to Argon, then decreases to Xenon z) heat capacity is the same for all noble gases 

Last Answer : ANSWER: Z -- HEAT CAPACITY IS THE SAME FOR ALL NOBLE GASES