What two gases make up most of the atmosphere What is the combined percentage of the two gases?

What two gases make up most of the atmosphere What is the combined percentage of the two gases?
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What is the percentage of gases found in the atmosphere?

Description : What is the percentage of gases found in the atmosphere?

Last Answer : The atmosphere is made up of several layers of air containing mixture of different gases. About one fifth of the air is oxygen, near four fifth consist of nitrogen, and the rest is made up of carbon dioxide and small amount of other gases.

When `PtE_(6)` vapour mixed with an equal volume of Xe, the gases combined immediatedly at room temperature and produces a yellow solid X at `66^(@)C`

Description : When `PtE_(6)` vapour mixed with an equal volume of Xe, the gases combined immediatedly at room temperature and produces a yellow solid X at `66^(@)C`

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Which of the following is correct about cold blooded animals? (1) Their blood remains cold all the time (2) Their body temperature changes in accordance with the atmosphere (3) Their body temperature remains constant all the time (4) They kill all the animals they come across (SSC Combined Graduate Level Prelim Exam.

Description : Which of the following is correct about cold blooded animals? (1) Their blood remains cold all the time (2) Their body temperature changes in accordance with the atmosphere (3) Their body temperature ... time (4) They kill all the animals they come across (SSC Combined Graduate Level Prelim Exam.

Last Answer : (2) Their body temperature changes in accordance with the atmosphere Explanation: A cold blooded animal, or ectotherm, is one that does not have an internal mechanism for regulating its body ... of cold blooded animals. -For any Study materialContact WhatsApp: 8337932441 Join Telegram- Click here

The percentage of the aggregate of F.M. 2.6 to be combined with coarse aggregate of F.M. 6.8 for obtaining the aggregates of F.M. 5.4, is (A) 30 % (B) 40 % (C) 50 % (D) 60 %

Description : The percentage of the aggregate of F.M. 2.6 to be combined with coarse aggregate of F.M. 6.8 for obtaining the aggregates of F.M. 5.4, is (A) 30 % (B) 40 % (C) 50 % (D) 60 %

Last Answer : (C) 50 %

If X, Y and Z are the fineness modulli of coarse, fine and combined aggregates, the percentage (P) of fine aggregates to combined aggregates, is (A) P = [(Z - X)/(Z - Y)] × 100 (B) P = [(X - Z)/(Z - Y)] × 100 (C) P = [(X - Z)/(Z + Y)] × 100 (D) P = [(Z + X)/(Z - Y)] × 100

Description : If X, Y and Z are the fineness modulli of coarse, fine and combined aggregates, the percentage (P) of fine aggregates to combined aggregates, is (A) P = [(Z - X)/(Z - Y)] × 100 (B) P = [(X - Z)/(Z - Y)] × 100 (C) P = [(X - Z)/(Z + Y)] × 100 (D) P = [(Z + X)/(Z - Y)] × 100

Last Answer : Option B

The ratio of marks obtained by Vinod and Basu is 6:5. If the combined average of their percentage is 68.75 and their sum of the marks is 275, find the total marks for which exam was conducted. A) 150 B) 200 C) 400 D) 450 E) None

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Last Answer : Answer: B The sum of the marks=6x+5x=11x But the sum of the marks is given as 275=11x. We get x=25x=25 therefore, Vinod's marks is 6x=1506x=150 and Basu's marks = 5x=125. ... Therefore, if their combined average of their percentage is 137.5 then the total marks would be 137.568.75 100=200

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Last Answer : (D) All the above 

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Description : What are the two most abundant gases in earths atmosphere?

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While many different gases are found in the atmosphere, a number do NOT contribute significantly to solar heating of the atmosphere. Which TWO of the following gases do NOT absorb much heat? w) carbon dioxide x) nitrogen y) water vapor z) oxygen

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Last Answer : ANSWER: X and Z -- NITROGEN and OXYGEN

Which gases were found in excess in earlier atmosphere? -Geography

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Last Answer : In the earlier atmosphere there was mainly hydrogen and helium.

What were the gases which initially formed the earth’s atmosphere? -Geography

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Which one of the following noble gases is not found in atmosphere ?

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What is the process by gases in the atmosphere qbsorb and rerdaiate heat?

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What is the order of the four most abundant gases in the Earth's atmosphere from most abundant to least abundant?

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What is the top four gases in the earth's atmosphere include?

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A natural warming process involving the interaction of sunlight and carbon dioxide and other gases from the atmosphere

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In the atmosphere, which of the following gases account for about 99.0 % per cent by volume?

Description : In the atmosphere, which of the following gases account for about 99.0 % per cent by volume?

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Oxygen The gases which are used by divers as an artificial atmosphere are helium and _____. A. Oxygen B. Nitrogen C. Neon D. Carbon monoxide

Description : Oxygen The gases which are used by divers as an artificial atmosphere are helium and _____. A. Oxygen B. Nitrogen C. Neon D. Carbon monoxide

Last Answer : ANSWER: A

Helium The gases which are used by divers as an artificial atmosphere are helium and _____. A. Oxygen B. Nitrogen C. Neon D. Carbon monoxide

Description : Helium The gases which are used by divers as an artificial atmosphere are helium and _____. A. Oxygen B. Nitrogen C. Neon D. Carbon monoxide

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The gases which are used by divers as an artificial atmosphere are helium and _____. A. Oxygen B. Nitrogen C. Neon D. Carbon monoxide

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The gases which are used by divers as an artificial atmosphere are helium and _____. A. Oxygen B. Nitrogen C. Neon D. Carbon monoxide

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Earth's atmosphere is an envelope of gases extending to a height of – (1) 100 km (2) 150 km (3) 200 km (4) 300 km

Description : Earth's atmosphere is an envelope of gases extending to a height of – (1) 100 km (2) 150 km (3) 200 km (4) 300 km

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The highest volume of gases in lower atmosphere is comprised of - (1) Hydrogen (2) Carbon dioxide (3) Oxygen (4) Nitrogen

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Which one of the following noble gases is not found in the atmosphere? (1) Argon (2) Krypton (3) Radon (4) Xenon

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The gases which are used by drivers as an artificial atmosphere are helium and-------? A. Nitrogen B. Oxygen (Answer) C. Neon D. Carbon monoxide

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The atmosphere of moon consists of-------? A. 90% Hydrogen, 10% Nitrogen B. 80%Nitrogen, 20% Hydrogen C. 60% Nitrogen, 40%inert gases (Answer) D. None

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Envelope of gases surrounding the Earth is known as: C A. Hydrosphere B. Cryosphere C. Atmosphere D. Biosphere

Description : Envelope of gases surrounding the Earth is known as:  C A. Hydrosphere B. Cryosphere C. Atmosphere D. Biosphere

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Envelope of gases surrounding the Earth is known as: C A. Hydrosphere B. Cryosphere C. Atmosphere D. Biosphere

Description : Envelope of gases surrounding the Earth is known as: C A. Hydrosphere B. Cryosphere C. Atmosphere D. Biosphere

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Pick out the wrong statement. (A) Addition of methane to the furnace atmosphere reduces decarburising by hydrogen (B) Nitrogen in presence of steam decor-burises high carbon steel, whereas hydrocarbon gases carburise the surface of steel at annealing temperatures (C) Active nitrogen (formed by cracking ammonia at the metal surface) cause nitride formation with increase in surface hardness (D) None of these

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Oceans act as sinks for atmospheric gases including carbon dioxide whose concentration in the atmosphere is increased by the (A) Forestation (B) Rain (C) Green house effect (D) Vegetation

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The density of the gases (present in air) decreases with increasing altitude to such an extent, that about 70% of the mass of atmospheric air is found in the lower 5 km. of the atmosphere. This lower region of atmosphere is called the (A) Ionosphere (B) Troposphere (C) Stratosphere (D) None of these

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Last Answer : (B) Troposphere

The earth's atmosphere is an envelope of gases present upto a height of about __________ kms. (A) 10 (B) 200 (C) 1000 (D) 2000

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Last Answer : (B) 200

Pick out the wrong statement. (A) The concentric layer in atmosphere which contains about 70% of the total mass of atmosphere and characterised by a steady decrease in temperature is called stratosphere (B) Stratosphere is rich in ozone and is located just above the troposphere (C) Troposphere is a turbulent dusty zone containing much of water vapor and clouds (D) The earth's atmosphere is an envelope of gases extending upto a height of about 200 kms

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Last Answer : (A) The concentric layer in atmosphere which contains about 70% of the total mass of atmosphere and characterised by a steady decrease in temperature is called stratosphere

Here is an interesting question. Which might be the major factor responsible for the rise in carbon dioxide ("greenhouse gases") in our atmosphere?? (There is not likely to be much consensus as to the 'correct' answer. Think critically and objectively about this issue.)

Description : Here is an interesting question. Which might be the major factor responsible for the rise in carbon dioxide ("greenhouse gases") in our atmosphere?? (There is not likely to be much consensus as to the 'correct' answer. Think critically and objectively about this issue.)

Last Answer : The major source of carbon dioxide is likely coming from volcanoes, vents in our earth's crust, the oceans, and weathering of the earth's crust.

If Earth had no greenhouse gases, the planet would be ? (a) Too hot to support life. (b) Cooler but still able to support life. (c) Too cold to support life. EDIT: COMPLEX LIFE (d) It depends on the species of aerosol in the GHG-free atmosphere

Description : If Earth had no greenhouse gases, the planet would be ? (a) Too hot to support life. (b) Cooler but still able to support life. (c) Too cold to support life. EDIT: COMPLEX LIFE (d) It depends on the species of aerosol in the GHG-free atmosphere

Last Answer : Too cold to support life. EDIT: COMPLEX LIFE

Which one of the following green house gases has the shortest residence time in the atmosphere? (A) Chlorofluorocarbon (B) Carbon dioxide (C) Methane (D) Nitrous oxide

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The highest volume of gases in lower atmosphere is comprised of (1) Hydrogen (2) Carbon dioxide (3) Oxygen (4) Nitrogen

Description : The highest volume of gases in lower atmosphere is comprised of (1) Hydrogen (2) Carbon dioxide (3) Oxygen (4) Nitrogen

Last Answer : Nitrogen

Earth’s atmosphere is an envelope of gases extending to a height of (1) 100 km (2) 150 km (3) 200 km (4) 300 km

Description : Earth’s atmosphere is an envelope of gases extending to a height of (1) 100 km (2) 150 km (3) 200 km (4) 300 km

Last Answer : 200 km

The main cause of global climatic change is (1) increase in the content of carbon dioxide in the atmosphere (2) emissions of industrial gases (3) adding of dust (4) changes in plant cover

Description : The main cause of global climatic change is (1) increase in the content of carbon dioxide in the atmosphere (2) emissions of industrial gases (3) adding of dust (4) changes in plant cover

Last Answer : increase in the content of carbon dioxide in the atmosphere

Correct percentage of two green house gases is

Description : Correct percentage of two green house gases is

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Which of the following is the correct percentage of the two (out of the total of 4) greenhouse gases that contibute to the total global warming?

Description : Which of the following is the correct percentage of the two (out of the total of 4) greenhouse gases that contibute to the total global warming?

Last Answer : Which of the following is the correct percentage of the two (out of the total of 4) greenhouse gases that contibute ... . `CO_(2)" "40%," "CFCs" "30%`

Of all the gases present in the air, which one of the following is the highest in percentage? (a) Carbon dioxide (b) Hydrogen (c) Nitrogen (d) Oxygen

Description : Of all the gases present in the air, which one of the following is the highest in percentage? (a) Carbon dioxide (b) Hydrogen (c) Nitrogen (d) Oxygen

Last Answer : Ans:(c)

Too much of excess air in combustion results in high (A) Fuel consumption for the same heat load (B) Stack gas temperature (C) Percentage of oxygen in flue gases (D) All (A), (B) and (C)

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

Pick up the incorrect statement from the following. For performing compressive strength test of cement (A) Cement and standard sand mortar are used in the ratio of 1 : 3 (B) Water is added at the rate of (P/4) + 3.0 percentage of water where P is the percentage of water for standard consistency (C) A cube mould of 10 cm × 10 cm × 10 cm is used (D) The prepared moulds are kept in a atmosphere of 50% relative humidity

Description : Pick up the incorrect statement from the following. For performing compressive strength test of cement (A) Cement and standard sand mortar are used in the ratio of 1 : 3 (B) Water is added at the ... cm 10 cm is used (D) The prepared moulds are kept in a atmosphere of 50% relative humidity

Last Answer : Answer: Option A

349. Which gas has the highest percentage in the atmosphere? -General Knowledge

Description : 349. Which gas has the highest percentage in the atmosphere? -General Knowledge

Last Answer : answer:

What percentage of the total energy in the atmosphere comes from the sun ?

Last Answer : 99.97 percent of the total energy of the atmosphere comes from the sun.