Description : What is the amount of natural gas in burning?
Last Answer : Heat is produced when C and H combine with oxygen (O) during combustion.Natural gas is primarily methane (CH4), which has a higher energy content relative to other fuels, and thus, it has a relatively lower CO2-to-energy content.
Description : (a) Define a balanced chemical equation. Why should an equation be balanced? (b) Write the balanced chemical equation for the following reaction: (i) Phosphorus burns in presence of chlorine to form phosphorus penta chloride. (ii) Burning of natural gas. (iii) The process of respiration. -Chemistry
Last Answer : Answer. (a) Balanced chemical equation has an equal number of atoms of different elements in the reactants and products. According to law of conservation of mass, matter can neither be created nor be destroyed in a chemical ... C6H12O6 (s) + 6O2 (g) + 6H2O ---> 6CO2 (aq) + 12H2O (l) + energy
Description : What energy is converted into chemical energy by burning coal and natural gas in a power station ?
Last Answer : Chemical energy is converted into heat energy by burning coal and natural gas in the power station.
Description : Which of the following is/ (are) exothermic process(es)? (a) burning of natural gas (b) dilution of an acid (c) both (a) and (b) (d) none of these
Last Answer : (c) both (a) and (b)
Description : Natural sources of air pollution are – (1) Forest fires (2) Volcanic eruptions (3) Dust storm (4) Smoke from burning dry leaves
Last Answer : (2) Volcanic eruptions Explanation: Some of the natural sources of air pollution are ground dust, salt spray from oceans, volcanic eruptions, hydrogen sulfides from natural sources, etc. ... and ash from volcanic eruptions blacken the skies and increase the background pollution levels for years.
Description : Is a general name, without specific meaning unless the way in which it is measured or define by the context. a. Natural Value b. Heating Value c. Burning Value d. Internal Value
Last Answer : Heating Value
Description : Natural sources of air pollution are (1) Forest fires (2) Volcanic eruptions (3) Dust storm (4) Smoke from burning dry leaves
Last Answer : Volcanic eruptions
Description : If A log is burning in a fireplace. If the amount of oxygen reaching the log is decreased what happened to the reaction rate?
Last Answer : What is the answer ?
Description : Which of the following process-es does not increase the amount of carbon dioxide in air? (1) Breathing (2) Photosynthesis (3) Burning of petrol (4) Aerobic decay of vegetation
Last Answer : (2) Photosynthesis Explanation: Plants reduce the CO2, because they use it with photosynthesis. They use it to give oxygen and carbohydrates as the final product. It is for this reason that ... from exposure to the sun's ultraviolet (UV) radiation, especially during the early morning hours.
Description : Char value of Kerosene is the amount of charred oil deposition on the wick obtained after burning it in a standard wick lamp at a standard rate for 24 hours. Char value of a good quality kerosene should be less than __________ mg/kg of kerosene. (A) 1 (B) 20 (C) 100 (D) 500
Last Answer : (B) 20
Description : Pick out the wrong statement. (A) Theoretical flame temperature is the temperature attained by the products of combustion, when the fuel is burned without loss or gain of heat (B) ... flame temperature (D) Adiabatic flame temperatures of actual combustions are always less than the maximum values
Last Answer : (C) Burning the fuel with excess pure oxygen results in maximum theoretical flame temperature
Description : Which of the following processes does not increase the amount of carbon dioxide in air ? (1) Breathing (2) Photosynthesis (3) Burning of petrol (4) Aerobic decay of vegetation
Last Answer : Photosynthesis
Description : In which region the largest amount of natural gas is produced in India? -Geography
Last Answer : Natural gas is a clean energy resource. It is often found in association with petroleum and is used not only as a source of energy but also as a raw material in the petrochemical industry. ... Assam had the highest percentage in the gross production of onshore natural gas in the year 2016-17.
Description : What is the amount of methane ( CH4) in natural gas of Bangladesh ?
Last Answer : 99.99% of the natural gas found in Bangladesh is methane.
Description : Which of the following fuel gases will require maximum amount of air for combustion of 1 Nm3 gas? (A) Blast furnace gas (B) Natural gas (C) Producer gas (D) Water gas
Last Answer : (B) Natural gas
Description : Real wood burning fire or fake gas logs?
Last Answer : I have such mixed feelings. I agree that it is not the same. I love the wood burning, but the pollution is pretty bad. In the Pacific Northwest on a cold evening when everyone is using ... air quality is horrible with a smog-like effect and high particulate matter that is very bad for asthmatics.
Description : Saloni took a piece of burning charcoal and collected the gas evolved in a test tube. -History
Last Answer : She can find the nature of the gas by using a wet litmus paper. After bringing the litmus paper in contact with the gas, if it turns the blue litmus paper into red, it is acidic. Similarly, if it ... basic. (b) (i) Carbon + Oxygen → Carbon dioxide (ii) Carbon dioxide + Lime water → Milky
Description : Is a physical change A.Forming a mixture B.Burning wood C.Food turning into waste in the intestines D.Turning solid sodium and chlorine gas into salt?
Description : Is the mass of wood and oxygen that allow it to burn equal the mass of ashes and the gas given off during the burning?
Last Answer : Yes. According to the law of conservation of mass, the mass ofall the reactants must be equal to the mass of all of theproducts.
Description : Which gas is produced while burning thermocol?
Last Answer : When the combustion is complete 99 % of polystyrene is transformed in carbon dioxide and water.
Description : In a petrol engine, which of the following gas gets exhausted out without burning and without transformation? a. CO2 b. CO c. O2 d. N2
Last Answer : ANSWER d. N2
Description : Burning pyrites ore gives out – (1) Carbon dioxide gas (2) Sulphur dioxide gas (3) Nitrogen dioxide gas (4) Nitric oxide gas
Last Answer : (2) Sulphur dioxide gas Explanation: The mineral pyrite, or iron pyrite, is an iron sulfide with the formula FeS9. Pyrite remains in commercial use for the production of sulfur dioxide, for use in such applications as the paper industry, and in the manufacture of sulfuric acid.
Description : Poisonous gas produced on burning of plastic?
Last Answer : Dioxin
Description : Burning is helped by which gas?
Last Answer : Oxygen
Last Answer : Lavoisier
Description : Which gas controls burning?
Last Answer : Nitrogen
Description : The gas controls burning is?
Last Answer : Nitrogen$
Description : Acid rains are produced by (a) excess NO2 and SO2 from burning fossil fuels (b) excess production of NH3 by industry and coal gas (c) excess release of carbon monoxide by incomplete combustion (d) excess formation of CO2 by combustion and animal respiration.
Last Answer : (a) excess NO2 and SO2 from burning fossil fuels
Description : An aluminium strip is kept immersed in a freshly prepared ferrous sulphate solution taken in a test tube, the change observed is that a) Green solution slowly turns brown b) Lower end of the test ... c)A colourless gas with smell of burning sulphur is evolved c)Light green solution changes to blue
Last Answer : a) Green solution slowly turns brown
Description : Zinc granules on treating with an acid X, form the zinc sulphate (ZnSO4) salt along with the evolution of a gas Y which burns with a pop sound when brought near to a burning candle. Identify the acid X and ... (c). X- Sulphuric acid and Y- Hydrogen gas (d). X- Hydrochloric acid and Y- Hydrogen gas
Last Answer : (c). X- Sulphuric acid and Y- Hydrogen gas
Description : A coal having higher volatile matter content, has lower (A) Smoking tendency on burning (B) Coke oven gas yield on carbonisation (C) Chance of catching fire during storage in open space (D) Ignition temperature
Last Answer : (D) Ignition temperature
Description : Cocking need of villages are mostly met by the burning of . A) Biomass. C) Hydroelectric B) Crude oil. D) Neutral gas
Last Answer : Biomass
Description : The _________ gas produced during burning of coal is responsible for causing acid rain . a) oxygen b)sulphur dioxide c)nitrogen d)water vapour
Last Answer : b)sulphur dioxide
Description : A gaseous organic compound that is best known for its use in preservative solutions has the chemical formula HCHO (read: H - C - H CHEM-92; Short Answer: Give me the name and atomic number ... element is a clear, odorless gas. This element is one of the essential ingredients in the burning process.
Last Answer : ANSWER: OXYGEN ATOMIC NUMBER = 8
Description : Burning pyrites ore gives out (1) Carbon dioxide gas (2) Sulphur dioxide gas (3) Nitrogen dioxide gas (4) Nitric oxide gas
Last Answer : Sulphur dioxide gas