Which gas is produced while burning thermocol?

Which gas is produced while burning thermocol?
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Answer :

When the combustion is complete 99 % of polystyrene is transformed in carbon dioxide and water.
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Thermocol is a spongy, porous, rigid or flexible foamed plastic, obtained by blowing gas/air through molten (A) Saturated polyester (B) Polyurethane (C) Polystyrene (D) Either (B) or (C)

Description : Thermocol is a spongy, porous, rigid or flexible foamed plastic, obtained by blowing gas/air through molten (A) Saturated polyester (B) Polyurethane (C) Polystyrene (D) Either (B) or (C)

Last Answer : (D) Either (B) or (C)

Thermocol (expanded polystyrene) is not used for (A) Low temperature thermal insulation as in refrigerator and air conditioners (B) Acoustic control and ceiling for building (C) High temperature thermal insulation in furnaces (D) Packing of delicate electronic gadgets

Description : Thermocol (expanded polystyrene) is not used for (A) Low temperature thermal insulation as in refrigerator and air conditioners (B) Acoustic control and ceiling for building (C) High temperature thermal insulation in furnaces (D) Packing of delicate electronic gadgets

Last Answer : (C) High temperature thermal insulation in furnaces

Poisonous gas produced on burning of plastic?

Description : Poisonous gas produced on burning of plastic?

Last Answer : Dioxin

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.

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

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.

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

The _________ gas produced during burning of coal is responsible for causing acid rain . a) oxygen b)sulphur dioxide c)nitrogen d)water vapour

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

How many tons of carbon dioxide are produced each year by burning fossil fuels ?

Description : How many tons of carbon dioxide are produced each year by burning fossil fuels ?

Last Answer : 21.3 billion tons of carbon dioxide is produced annually by burning fossil fuels

In hydel power station, the motion produced in turbines is due to – (1) flow of water (2) burning of coal (3) burning of diesel (4) production of steam

Description : In hydel power station, the motion produced in turbines is due to – (1) flow of water (2) burning of coal (3) burning of diesel (4) production of steam

Last Answer : (1) flow of water Explanation: A water turbine is a rotary machine that converts kinetic energy and potential energy of water into mechanical work. Hydroelectric power comes from water at work, water in motion. To generate electricity, water must be in motion. This is kinetic (moving) energy.

In hydel power station, the motion produced in turbines is due to (1) flow of water (2) burning of coal (3) burning of diesel (4) production of steam

Description : In hydel power station, the motion produced in turbines is due to (1) flow of water (2) burning of coal (3) burning of diesel (4) production of steam

Last Answer : flow of water

Burning sensation while urinating, fever in body and rash on skin. What medicine should I take for this and how long should I take this medicine ?

Description : Burning sensation while urinating, fever in body and rash on skin. What medicine should I take for this and how long should I take this medicine ?

Last Answer : You can use Hamdard Safi Syrup. As well as tablet neofloxacin 500 mg 1 + 0 + 1 after meals. 7 days. Tablet sitin. 10 days. 0 + 0 + 1 after meals.

Want to know how to get rid of piles ? I have been suffering from piles for the last 2 years. Recently I went to a homeopathic doctor and he assured me that the problem will be reduced in 20-25 days and will get better in 3-4 months with some food medicine and a liquid medicine to apply on the piles. But I haven't noticed any improvement in the medicine for 15 days now, but more frequent itching in the rectum and putting that liquid medicine in the piles, the burning sensation starts immediately and after a while it subsides ... Now I am very nervous and scared about this medicine Turn to cancer !!! Could it really be that ... so what can I do , please help me with some advice ...

Description : Want to know how to get rid of piles ? I have been suffering from piles for the last 2 years. Recently I went to a homeopathic doctor and he assured me that the problem will be reduced in 20-25 days and will ... !!! Could it really be that ... so what can I do , please help me with some advice ...

Last Answer : If you take homeopathic medicine then the homeopathic doctor has rightly said that it will take 3/4 months to get better but you need to consult a piles expert 2 years ago. You can stay. Therefore, a piles ... by the piles doctor. So I said take the advice of a piles expert to get a quick solution.

Frequent urination and burning sensation to urinate and defecate for about 3 years ? I am 18 years old. Frequent urination and burning sensation started from three years ago. After a while, burning started in the toilet street. I have done all kinds of tests without any problem. There is no benefit in taking medicine. Now when the penis is lightly aroused, it comes out like water. What should I do now ? I have taken all kinds of herbal , allopathic , homeopathic treatment but I have not got any result .... I would like to see a doctor now and who is his best in Rajshahi ... ???

Description : Frequent urination and burning sensation to urinate and defecate for about 3 years ? I am 18 years old. Frequent urination and burning sensation started from three years ago. After a while, burning started in the toilet ... . I would like to see a doctor now and who is his best in Rajshahi ... ???

Last Answer : It causes burning sensation in the urine due to your urinary tract infection. But itching or burning in the anus can be due to various reasons. The most common causes of this problem are high humidity , mild ... of water , do not eat fried or televaja food. Do not eat stale food in the market.

Is it safe to have mantel clocks up on the mantel while having a wood burning fire?

Description : Is it safe to have mantel clocks up on the mantel while having a wood burning fire?

Last Answer : It is safe to have a mantel clock on the mantel while having a wood fire going simultaneously. However, the same types of precautions should be followed as for all fires being in a controlled indoor ... fire fairly well and a mantel clock should be relatively safe to place on top of your mantel.

While cooking, if the bottom of the vessel is getting blackened on the outside, it means that (1) The food is not cooked completely (2) The fuel is not burning completely (3) The fuel is wet (4) The fuel is burning completely

Description : While cooking, if the bottom of the vessel is getting blackened on the outside, it means that (1) The food is not cooked completely (2) The fuel is not burning completely (3) The fuel is wet (4) The fuel is burning completely

Last Answer : (2) The fuel is not burning completely Explanation: If we observe the bottoms of cooking vessels getting blackened, it means that the air holes are blocked and fuel is getting wasted.

Halitosis and a sour taste in the mouth are signs and symptoms associated most directly with a) esophageal diverticula. Because the diverticula may retain decomposed food, halitosis and a sour taste in the mouth are frequent complaints. b) achalasia. Achalasia presents as difficulty in swallowing both liquids and solids. c) gastroesophageal reflux. Gastroesophageal reflux presents as burning in the esophagus, indigestion, and difficulty in or pain upon swallowing. d) hiatal hernia. Hiatal hernia presents as heartburn, regurgitation, and dysphagia in many patients while at least 50% are asymptomatic.

Description : Halitosis and a sour taste in the mouth are signs and symptoms associated most directly with a) esophageal diverticula. Because the diverticula may retain decomposed food, halitosis and a sour ... as heartburn, regurgitation, and dysphagia in many patients while at least 50% are asymptomatic.

Last Answer : a) esophageal diverticula. Because the diverticula may retain decomposed food, halitosis and a sour taste in the mouth are frequent complaints.

Real wood burning fire or fake gas logs?

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.

Saloni took a piece of burning charcoal and collected the gas evolved in a test tube. -History

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

(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

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

What energy is converted into chemical energy by burning coal and natural gas in a power station ?

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.

What is the amount of natural gas in burning?

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.

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 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?

Last Answer : What is the answer ?

What is the amount of natural gas in burning?

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.

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?

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.

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

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

Burning pyrites ore gives out – (1) Carbon dioxide gas (2) Sulphur dioxide gas (3) Nitrogen dioxide gas (4) Nitric oxide gas

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.

Burning is helped by which gas?

Description : Burning is helped by which gas?

Last Answer : Oxygen

Burning is helped by which gas?

Description : Burning is helped by which gas?

Last Answer : Lavoisier

Which gas controls burning?

Description : Which gas controls burning?

Last Answer : Nitrogen

The gas controls burning is?

Description : The gas controls burning is?

Last Answer : Nitrogen$

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 tube becomes slightly warm c)A colourless gas with smell of burning sulphur is evolved c)Light green solution changes to blue

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

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 gas evolved Y (a). X- Sulphuric acid and Y- Oxygen gas (b). X- Hydrochloric acid and Y- Oxygen gas (c). X- Sulphuric acid and Y- Hydrogen gas (d). X- Hydrochloric acid and Y- Hydrogen gas

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

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

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)

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

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

Cocking need of villages are mostly met by the burning of . A) Biomass. C) Hydroelectric B) Crude oil. D) Neutral gas

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

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 of the element I am thinking about. It occupies the same column in the periodic table as selenium. Under standard conditions of temperature and pressure this element is a clear, odorless gas. This element is one of the essential ingredients in the burning process.

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

Burning pyrites ore gives out (1) Carbon dioxide gas (2) Sulphur dioxide gas (3) Nitrogen dioxide gas (4) Nitric oxide gas

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