The lightest, non-inflammable gas is

The lightest, non-inflammable gas is
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The lightest, non-inflammable gas is A. `H_(2)` B. He C. `N_(2)` D. Ar
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The lightest non-inflammable gas is (A) H2 (B) He (C) Ar (D) O2

Description : The lightest non-inflammable gas is (A) H2 (B) He (C) Ar (D) O2

Last Answer : Option B

The lightest non-inflammable gas is (A) H2 (B) He (C) Ar (D) O2

Description : The lightest non-inflammable gas is (A) H2 (B) He (C) Ar (D) O2

Last Answer : Option B

Hydrogen is not found in atmosphere because – (1) it is highly inflammable (2) it is the lightest gas (3) it is absorbed by plants (4) it immediately combines with oxygen to form water

Description : Hydrogen is not found in atmosphere because – (1) it is highly inflammable (2) it is the lightest gas (3) it is absorbed by plants (4) it immediately combines with oxygen to form water

Last Answer : (2) it is the lightest gas Explanation: Hydrogen is a chemical element with symbol H and atomic number 1. With an average atomic weight of 1.00794 u (1.007825 u for hydrogen-1), hydrogen ... hydrogen in its plasma state. Air is the name given to the atmosphere used in breathing and photosynthesis.

Hydrogen is not found in atmosphere because (1) it is highly inflammable (2) it is the lightest gas (3) it is absorbed by plants (4) it immediately combines with oxygen to form water

Description : Hydrogen is not found in atmosphere because (1) it is highly inflammable (2) it is the lightest gas (3) it is absorbed by plants (4) it immediately combines with oxygen to form water

Last Answer :  it is the lightest gas

Ammonia is (a) non-toxic (b) non-inflammable (c) toxic and non-inflammable (d) highly toxic and inflammable

Description : Ammonia is (a) non-toxic (b) non-inflammable (c) toxic and non-inflammable (d) highly toxic and inflammable

Last Answer : Ans: d

Freon group of refrigerants are (a) inflammable (d) toxic (c) non-toxic and non-inflammable (d) non-toxic and inflammable

Description : Freon group of refrigerants are (a) inflammable (d) toxic (c) non-toxic and non-inflammable (d) non-toxic and inflammable

Last Answer : Ans: c

Polypropylene is preferred to polythene, because the former is (A) Non-inflammable (B) Harder (C) Stronger (D) Both (B) & (C)

Description : Polypropylene is preferred to polythene, because the former is (A) Non-inflammable (B) Harder (C) Stronger (D) Both (B) & (C)

Last Answer : (D) Both (B) & (C

Diphenylamine is added to rubber to (A) Vulcanise it (B) Protect it from deterioration on exposure to air (C) Make it non-inflammable (D) Make it thermosetting

Description : Diphenylamine is added to rubber to (A) Vulcanise it (B) Protect it from deterioration on exposure to air (C) Make it non-inflammable (D) Make it thermosetting

Last Answer : (B) Protect it from deterioration on exposure to air

Neoprene is rendered non-inflammable, because of (A) Its cross-linked structure (B) Its linear chain structure (C) The presence of chlorine atoms in its monomer (D) The absence of chlorine atoms in its monomer

Description : Neoprene is rendered non-inflammable, because of (A) Its cross-linked structure (B) Its linear chain structure (C) The presence of chlorine atoms in its monomer (D) The absence of chlorine atoms in its monomer

Last Answer : (C) The presence of chlorine atoms in its monomer

Why is Neoprene rubber non –inflammable ?

Description : Why is Neoprene rubber non –inflammable ?

Last Answer : A. Due to presence of chloro group . 

Pick up the non-inflammable plastic from the following: (A) Cellulose acetate plastics (B) Polyvinyl chloride plastics (C) Phenol formaldehyde plastic (D) Urea formaldehyde plastic

Description : Pick up the non-inflammable plastic from the following: (A) Cellulose acetate plastics (B) Polyvinyl chloride plastics (C) Phenol formaldehyde plastic (D) Urea formaldehyde plastic

Last Answer : Answer: Option B

Freon group of refrigerants are n. a) Inflammable. c) Non-inflammable and toxic o. b) Toxic. d) Nontoxic and non-inflammable

Description : Freon group of refrigerants are n. a) Inflammable. c) Non-inflammable and toxic o. b) Toxic. d) Nontoxic and non-inflammable

Last Answer : Nontoxic and non-inflammable

The insulating material for cables should (a) be acid proof (b) be non-inflammable (c) be non-hygroscopic (d) have all above properties

Description : The insulating material for cables should (a) be acid proof (b) be non-inflammable (c) be non-hygroscopic (d) have all above properties

Last Answer : (d) have all above properties

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 : (4) Hydrogen Explanation: At standard temperature and pressure, hydrogen is a colourless, odorless, tasteless, non-toxic, nonmetallic, highly combustible diatomic has with the molecular ... important role in acid-base chemistry with many reactions exchanging protons between soluble molecules.

Bromine is- (1) Colorless gas insoluble in water (2) A highly inflammable gas (3) A Black solid (4) A red liquid

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.

Bromine is a----------? A. black solid B. red-brown liquid (Answer) C. colourless gas D. highly inflammable gas

Description : Bromine is a----------? A. black solid B. red-brown liquid (Answer) C. colourless gas D. highly inflammable gas

Last Answer : B. red-brown liquid (Answer)

Coke oven gas compared to blast furnace gas is (A) More explosive and inflammable (B) Less poisonous (C) Lighter (D) All (A), (B) and (C)

Description : Coke oven gas compared to blast furnace gas is (A) More explosive and inflammable (B) Less poisonous (C) Lighter (D) All (A), (B) and (C)

Last Answer : (D) All (A), (B) and (C)

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

Which is the lightest gas ?

Description : Which is the lightest gas ?

Last Answer : The lightest gas is hydrogen.

The lightest noble gas atom contains the following particles in its nucleus

Description : The lightest noble gas atom contains the following particles in its nucleus

Last Answer : The lightest noble gas atom contains the following particles in its nucleus A. 4 protons B. 3 neutrons ... and 1 neutron D. 2 protons and 2 neutrons

Which is the lightest gas ?

Description : Which is the lightest gas ?

Last Answer : Which is the lightest gas ? A. Helium B. Oxygen C. Hydrogen D. Nitrogen

(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

Last Answer : Ammonial is a mixture of – (1) aluminium powder and ammonium nitrate (2) aluminium powder and ammonium chloride (3) aluminium powder and ammonium sulphate (4) aluminium powder and potassium nitrate

Which is the lightest gas?

Description : Which is the lightest gas?

Last Answer : Hydrogen

Why is water not suitable for putting out a petrol fire? (1) The oxygen content of water is isolated by petrol and thus it helps in burning (2) Petrol is too inflammable to be extinguished by water (3) The heat required for combustion of petrol is very low (4) Water, being heavy, slips below petrol which thus remains in contact with air and burns

Description : Why is water not suitable for putting out a petrol fire? (1) The oxygen content of water is isolated by petrol and thus it helps in burning (2) Petrol is too inflammable to be extinguished by ... very low (4) Water, being heavy, slips below petrol which thus remains in contact with air and burns

Last Answer : (4) Water, being heavy, slips below petrol which thus remains in contact with air and burns Explanation: Water is not effective on petrol fire because it has higher density than ... while petrol stays afloat and keeps burning. Petrochemical fires are nearly always extinguished with chemical foam.

Why is water not suitable for putting out a petrol fire? (1) The oxygen content of water is isolated by petrol and thus it helps in burning (2) Petrol is too inflammable to be extinguished by water (3) The heat required for combustion of petrol is very low (4) Water, being heavy, slips below petrol which thus remains in contact with air and burns

Description : Why is water not suitable for putting out a petrol fire? (1) The oxygen content of water is isolated by petrol and thus it helps in burning (2) Petrol is too inflammable to be extinguished by ... very low (4) Water, being heavy, slips below petrol which thus remains in contact with air and burns

Last Answer : (4) Water, being heavy, slips below petrol which thus remains in contact with air and burns Explanation: Water is not effective on petrol fire because it has higher density than petrol as a ... extinguished with chemical foam which forms a blanket over the flames and cuts off the oxygen supply.

Which element was named ‘inflammable air’

Description : Which element was named ‘inflammable air’

Last Answer : Hydrogen

Tanks used for the storage of petroleum products (which are inflammable) should be painted with a __________ paint. (A) Black (B) White (C) Red (D) Yellow

Description : Tanks used for the storage of petroleum products (which are inflammable) should be painted with a __________ paint. (A) Black (B) White (C) Red (D) Yellow

Last Answer : (B) White

'Flare tower' used in industry is meant for (A) Venting off (after burning) the excess inflammable/toxic gases at high pressure (B) Absorbing the pollutant gases from the furnace exhaust (C) Cooling of furnace exhaust gases (D) None of these

Description : 'Flare tower' used in industry is meant for (A) Venting off (after burning) the excess inflammable/toxic gases at high pressure (B) Absorbing the pollutant gases from the furnace exhaust (C) Cooling of furnace exhaust gases (D) None of these

Last Answer : (A) Venting off (after burning) the excess inflammable/toxic gases at high pressure

Choose the correct statement about inflammable substance from the following. They have a) low ignition temperature and cannot catch fire easily. b) high ignition temperature and can catch fire easily . c) low ignition temperature and can catch fire easily d) high ignition temperature and cannot catch fire easily

Description : Choose the correct statement about inflammable substance from the following. They have a) low ignition temperature and cannot catch fire easily. b) high ignition temperature and can catch fire easily ... temperature and can catch fire easily d) high ignition temperature and cannot catch fire easily

Last Answer : c) low ignition temperature and can catch fire easily

Why is water not suitable for putting out a petrol fire ? (1) The oxygen content of water is isolated by petrol and thus it helps in burning (2) Petrol is too inflammable to be extinguished by water (3) The heat required for combustion of petrol is very low (4) Water, being heavy, slips below petrol which thus remains in contact with air and burns

Description : Why is water not suitable for putting out a petrol fire ? (1) The oxygen content of water is isolated by petrol and thus it helps in burning (2) Petrol is too inflammable to be extinguished by ... very low (4) Water, being heavy, slips below petrol which thus remains in contact with air and burns 

Last Answer : Water, being heavy, slips below petrol which thus remains in contact with air and burns

Baryllium Sulphate is less soluble in water due to (1) High inflammable energy (2) Low Energy of dissociation (3) Low inflammable energy (4) Lonic band

Description : Baryllium Sulphate is less soluble in water due to (1) High inflammable energy (2) Low Energy of dissociation (3) Low inflammable energy (4) Lonic band

Last Answer : High inflammable energy

What is the lightest weight walking/running Nike shoe?

Description : What is the lightest weight walking/running Nike shoe?

Last Answer : answer:Every foot is different; why not go to a sporting goods store that carries Nike and other reputable brands and describe your needs to a salesman? Trying on shoes is the time-honored and sensible ... make the soles, issues of space for orthotics or heel cups, and thickness of socks you wear.

Brain Teaser: Can you find the heaviest and the lightest in 4 weighings?

Description : Brain Teaser: Can you find the heaviest and the lightest in 4 weighings?

Last Answer : Stop it!;)

What’s lightest on the ground but heaviest in the air? -Riddles

Description : What’s lightest on the ground but heaviest in the air? -Riddles

Last Answer : This answer was deleted by moderators

Which pair of metals constitutes the lightest metal and the heaviest metal, respectively? -Do You Know?

Description : Which pair of metals constitutes the lightest metal and the heaviest metal, respectively? -Do You Know?

Last Answer : answer:

Which is the heaviest and lightest particle in an atom ?

Description : Which is the heaviest and lightest particle in an atom ?

Last Answer : The heaviest particle in an atom is the neutron and the lightest particle is the electron.

Which metal is the lightest ?

Description : Which metal is the lightest ?

Last Answer : Lithium metal is the lightest.

What is the name of the lightest element ?

Description : What is the name of the lightest element ?

Last Answer : The lightest element is called hydrogen.

Which is the lightest corner of Ramanu ?

Description : Which is the lightest corner of Ramanu ?

Last Answer : Ramanu's lightest corner is the electron.

Which is the lightest insect ?

Description : Which is the lightest insect ?

Last Answer : Lice are the lightest animal in the world.

Which is the lightest metal ?

Description : Which is the lightest metal ?

Last Answer : Lithium is the lightest metal.

Which is the lightest bone in human body ?

Last Answer : : The lightest bone in the human body is the nasal bone

What is the weight of the lightest watch ?

Last Answer : The lightest watch weighs 40 grams.

What is the lightest of halogen?

Description : What is the lightest of halogen?

Last Answer : Need answer

What is lightest mercury or aluminum?

Description : What is lightest mercury or aluminum?

Last Answer : Aluminum is the lighter than Mercury.

What is Lightest organ of the human body?

Description : What is Lightest organ of the human body?

Last Answer : I believe that would be the appendix.

Which laptop computer is the lightest?

Description : Which laptop computer is the lightest?

Last Answer : The Sony Vaio X505 Notebook is currently the lightest laptop on the market at 1.7 pounds.

Which vacuum is the lightest?

Description : Which vacuum is the lightest?

Last Answer : The ProTeam ProVac is actually quite light, and still gets a great amount of dirt. The Advance Adgility backpack vacuum is the lightest in its class, at 6.4 pounds.

What is the weight of your lightest portable grill?

Description : What is the weight of your lightest portable grill?

Last Answer : The Weber Q-100 is the lightest portable grill on the market right now with the highest quality. It weighs 29 pounds and is very manageable at that weight.

What are the lightest dumbbells I can get?

Description : What are the lightest dumbbells I can get?

Last Answer : The listest dumbbells you can get are a half pound. You can get these specifically at a store called Sports 2000, or you can order these online at Amazon.