Carbon dioxide has each of the following uses except: w) refrigerant x) manufacture of baking soda y) fire extinguisher z) valuable reducing agent

Carbon dioxide has each of the following uses except: w) refrigerant x) manufacture of baking soda y) fire extinguisher z) valuable reducing agent
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ANSWER: Z -- VALUABLE REDUCING AGENT
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When vinegar and baking soda are mixed together, w gas is formed? w) oxygen x) nitrogen y) carbon dioxide z) hydrogen

Description : When vinegar and baking soda are mixed together, w gas is formed? w) oxygen x) nitrogen y) carbon dioxide z) hydrogen

Last Answer : ANSWER: Y -- CARBON DIOXIDE

Which of the following materials are used in the manufacture of pig iron from iron ore? w) Limestone and carbon x) Calcium oxide and oxygen y) Chromium and nickel z) Oxygen and sulfur dioxide

Description : Which of the following materials are used in the manufacture of pig iron from iron ore? w) Limestone and carbon x) Calcium oxide and oxygen y) Chromium and nickel z) Oxygen and sulfur dioxide

Last Answer : ANSWER: W -- LIMESTONE AND CARBON

Which of the following are alloying materials used the manufacture of stainless steel? w) Limestone and carbon x) Calcium oxide and oxygen y) Oxygen and sulfur dioxide z) Chromium and nickel

Description : Which of the following are alloying materials used the manufacture of stainless steel? w) Limestone and carbon x) Calcium oxide and oxygen y) Oxygen and sulfur dioxide z) Chromium and nickel

Last Answer : ANSWER: Z -- CHROMIUM AND NICKEL

Carbon monoxide is a poisonous gas for one of the following reasons. w) it is a powerful acid anhydride x) it combines with the hemoglobin of the blood y) it depletes the dissolved oxygen in the blood by forming carbon dioxide z) it is a strong oxidizing agent

Description : Carbon monoxide is a poisonous gas for one of the following reasons. w) it is a powerful acid anhydride x) it combines with the hemoglobin of the blood y) it depletes the dissolved oxygen in the blood by forming carbon dioxide z) it is a strong oxidizing agent

Last Answer : ANSWER: X -- IT COMBINES WITH THE HEMOGLOBIN OF THE BLOOD 

Which gas is used as fire extinguisher? (1) Carbon dioxide (2) Carbon monoxide (3) Carbon suboxide (4) Sulphur dioxide

Description : Which gas is used as fire extinguisher? (1) Carbon dioxide (2) Carbon monoxide (3) Carbon suboxide (4) Sulphur dioxide

Last Answer : (1) Carbon dioxide Explanation: A fire extinguisher, flame extinguisher, or simply an extinguisher, is an active fire protection device used to extinguish or control small fires, often in ... separate cartridge that is punctured prior to discharge, exposing the propellant to the extinguishing agent.

Which gas is used as fire extinguisher ? (1) Carbon dioxide (2) Carbon monoxide (3) Carbon suboxide (4) Sulphur dioxide

Description : Which gas is used as fire extinguisher ? (1) Carbon dioxide (2) Carbon monoxide (3) Carbon suboxide (4) Sulphur dioxide

Last Answer : Carbon dioxide

Sodium carbonate (soda ash) is not used in the manufacture of (A) Fire extinguishers (B) Sugar (C) Baking powder (D) Detergents

Description : Sodium carbonate (soda ash) is not used in the manufacture of (A) Fire extinguishers (B) Sugar (C) Baking powder (D) Detergents

Last Answer : (D) Detergents

Which of the following is the primary reason for adding calcium carbonate to the reduction process of iron oxide ores ? The calcium carbonate: w) acts as an oxidizing agent x) removes silicate waste products y) acts as a reducing agent z) removes sulfur waste products

Description : Which of the following is the primary reason for adding calcium carbonate to the reduction process of iron oxide ores ? The calcium carbonate: w) acts as an oxidizing agent x) removes silicate waste products y) acts as a reducing agent z) removes sulfur waste products

Last Answer : ANSWER: X -- REMOVES SILICATE WASTE PRODUCTS

Under similar conditions, which of the following i is the best reducing agent under similar conditions? w) fluoride ion x) chloride ion y) bromide ion z) iodide ion

Description : Under similar conditions, which of the following i is the best reducing agent under similar conditions? w) fluoride ion x) chloride ion y) bromide ion z) iodide ion

Last Answer : ANSWER: Z -- IODIDE ION 

When lime juice is dropped on baking soda, brisk effervescence takes place because the gas evolved is - (1) Hydrogen (2) Oxygen (3) Carbon dioxide (4) All of them

Description : When lime juice is dropped on baking soda, brisk effervescence takes place because the gas evolved is - (1) Hydrogen (2) Oxygen (3) Carbon dioxide (4) All of them

Last Answer : (3) Carbon dioxide Explanation: When baking soda and lemon juice are added together, the reaction of the two is an acid-based reaction because it involves an acid (citric acid in the lemon juice) ... , more commonly known as baking soda). Carbon dioxide, a gas, is produced by the reaction.

What is the purpose of adding baking soda to dough? (1) To generate moisture (2) To give a good flavour (3) To give good colour (4) To generate carbon dioxide

Description : What is the purpose of adding baking soda to dough? (1) To generate moisture (2) To give a good flavour (3) To give good colour (4) To generate carbon dioxide

Last Answer : (4) To generate carbon dioxide

When lime juice is dropped on baking soda, brisk effervescence takes place because the gas evolved is (1) Hydrogen (2) Oxygen (3) Carbon dioxide (4) All of them

Description : When lime juice is dropped on baking soda, brisk effervescence takes place because the gas evolved is (1) Hydrogen (2) Oxygen (3) Carbon dioxide (4) All of them 

Last Answer : Carbon dioxide

What is the proper use for a carbon dioxide fire extinguisher?

Description : What is the proper use for a carbon dioxide fire extinguisher?

Last Answer : The only proper use of a carbon dioxide fire extinguisher is to put out fires. Carbon dioxide fire extinguishers should only be pointed at fires and used on fires. Thank you, have a good day.

Which type of fire extinguisher is used for petroleum fire? (1) Foam type (2) Soda acid type (3) Powder type (4) None of these

Description : Which type of fire extinguisher is used for petroleum fire? (1) Foam type (2) Soda acid type (3) Powder type (4) None of these

Last Answer : (1) Foam type Explanation: Foam type fire extinguishers are suitable for fires that involve flammable or combustible liquids, including petrol, grease, and oil. They are applied to fuel fires as ... seal over the fuel, preventing oxygen reaching it. Powder types are useful for combustible metals.

Which type of fire extinguisher is used for petroleum fire? (1) Foam type (2) Soda acid type (3) Powder type (4) None of these

Description : Which type of fire extinguisher is used for petroleum fire? (1) Foam type (2) Soda acid type (3) Powder type (4) None of these

Last Answer : (3) Powder type

Which type of fire extinguisher is used for petroleum fire ? (1) Foam type (2) Soda acid type (3) Powder type (4) None of these

Description : Which type of fire extinguisher is used for petroleum fire ? (1) Foam type (2) Soda acid type (3) Powder type (4) None of these

Last Answer : Foam type

Salt A commonly used in bakery products on heating gets converted into another salt B which itself is used for removal the hardness of water and a gas C is evolved. The gas C when passed through lime water ,turns it milky. Identify A,B and C. (a) A is sodium hydrogen carbonate ,B is hydrous sodium carbonate and c is carbon dioxide (b)A is sodium carbonate ,B is sodium hydrogen carbonate and c is Carbon monoxide © A is baking soda ,B is washing soda and C is carbon dioxide (d) both a and c

Description : Salt A commonly used in bakery products on heating gets converted into another salt B which itself is used for removal the hardness of water and a gas C is evolved. The gas C when passed through lime water ,turns it ... © A is baking soda ,B is washing soda and C is carbon dioxide (d) both a and c

Last Answer : (d) both a and c

Carbon dioxide is – (1) a reducing agent (2) an oxidising agent (3) a dehydrating agent (4) a bleaching agent

Description : Carbon dioxide is – (1) a reducing agent (2) an oxidising agent (3) a dehydrating agent (4) a bleaching agent

Last Answer : (1) a reducing agent Explanation: A good reducing agent must be able to donate electrons readily. This means that it must not have very much attraction for electrons. Carbon dioxide is just like any other oxide and can be reduced to its respective elements by applied energy.

Carbon dioxide is (1) a reducing agent (2) an oxidising agent (3) a dehydrating agent (4) a bleaching agent

Description : Carbon dioxide is (1) a reducing agent (2) an oxidising agent (3) a dehydrating agent (4) a bleaching agent

Last Answer :  a reducing agent

Compounds of iodine are NOT used for which of the following? w) as a refrigerant x) in photographic film y) as an essential part of diet z) as an antiseptic

Description : Compounds of iodine are NOT used for which of the following? w) as a refrigerant x) in photographic film y) as an essential part of diet z) as an antiseptic

Last Answer : ANSWER: W -- AS A REFRIGERANT

The main reducing agent in iron blast furnace is(A) Carbon dioxide(B) Carbon monoxide(C) Oxygen(D) Air

Description : The main reducing agent in iron blast furnace is(A) Carbon dioxide (B) Carbon monoxide (C) Oxygen (D) Air

Last Answer : Option B

Which of the following gases is more soluble in water as the water temperature increases? w) Helium x) Air y) Carbon dioxide z) Hydrogen

Description : Which of the following gases is more soluble in water as the water temperature increases? w) Helium x) Air y) Carbon dioxide z) Hydrogen

Last Answer : ANSWER: W -- HELIUM

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 materials is the chief source of natural organic compounds? w) petroleum x) coal y) natural gas z) carbon dioxide

Description : Which of the following materials is the chief source of natural organic compounds? w) petroleum x) coal y) natural gas z) carbon dioxide

Last Answer : ANSWER: W -- PETROLEUM

The bubbling off of carbon dioxide when a bottle of carbonated beverage is opened is a good example of: w) deliquescence x) effervescence y) condensation z) sublimation

Description : The bubbling off of carbon dioxide when a bottle of carbonated beverage is opened is a good example of: w) deliquescence x) effervescence y) condensation z) sublimation

Last Answer : ANSWER: EFFERVESCENCE

A waste product in the metabolism of glucose in cells is: w) oxygen x) methane y) carbon dioxide z) urea

Description : A waste product in the metabolism of glucose in cells is: w) oxygen x) methane y) carbon dioxide z) urea

Last Answer : ANSWER: C -- CARBON DIOXIDE 

The greatest reservoir of carbon dioxide is: w) the atmosphere x) plants y) the soil z) the oceans

Description : The greatest reservoir of carbon dioxide is: w) the atmosphere x) plants y) the soil z) the oceans

Last Answer : ANSWER: Z -- THE OCEANS

Which of the following molecules is polar? w) Iodine x) Carbon Dioxide y) Carbon Monoxide z) Chlorine

Description : Which of the following molecules is polar? w) Iodine x) Carbon Dioxide y) Carbon Monoxide z) Chlorine

Last Answer : ANSWER: Y -- CARBON MONOXIDE 

Dry ice is the solid form of what gas? w) nitrogen x) oxygen y) helium z) carbon dioxide

Description : Dry ice is the solid form of what gas? w) nitrogen x) oxygen y) helium z) carbon dioxide

Last Answer : ANSWER: Z -- CARBON DIOXIDE

Which of the following compounds contains both io and covalent bonds? w) Calcium Chloride x) Carbon Dioxide y) Calcium Fluoride z) Calcium Sulfate

Description : Which of the following compounds contains both io and covalent bonds? w) Calcium Chloride x) Carbon Dioxide y) Calcium Fluoride z) Calcium Sulfate

Last Answer : ANSWER: Z -- CALCIUM SULFATE

Which of the following is NOT a means of preparing carbon dioxide? w) burning coke in the absence of air x) combustion of methane y) heating certain normal carbonates z) action of acids on carbonates

Description : Which of the following is NOT a means of preparing carbon dioxide? w) burning coke in the absence of air x) combustion of methane y) heating certain normal carbonates z) action of acids on carbonates

Last Answer : ANSWER: W -- BURNING COKE IN THE ABSENCE OF AIR 

Carbon atoms link together with other carbon atoms in all of the following ways EXCEPT w) networks x) chains y) ionic bonds z) rings

Description : Carbon atoms link together with other carbon atoms in all of the following ways EXCEPT w) networks x) chains y) ionic bonds z) rings

Last Answer : ANSWER: Y -- IONIC BONDS

This noncombustible liquid in its dry form is noncorrosive to common metals except aluminum. About 90% of all of this material which is manufactured goes into the production of chlorofluorocarbons. Is this substance: w) carbon tetrachloride x) methylene chloride y) hydrogen chloride z) methyl fluoride

Description : This noncombustible liquid in its dry form is noncorrosive to common metals except aluminum. About 90% of all of this material which is manufactured goes into the production of chlorofluorocarbons. ... substance: w) carbon tetrachloride x) methylene chloride y) hydrogen chloride z) methyl fluoride

Last Answer : ANSWER: W -- CARBON TETRACHLORIDE

Carbon dioxide is an important greenhouse gas. What is the current rate in parts per million per year of atmospheric increase of this gas? w) 0.15 ppm per year (parts per million) x) 1.5 ppm per year y) 15 ppm per year z) 150 ppm per year

Description : Carbon dioxide is an important greenhouse gas. What is the current rate in parts per million per year of atmospheric increase of this gas? w) 0.15 ppm per year (parts per million) x) 1.5 ppm per year y) 15 ppm per year z) 150 ppm per year 

Last Answer : ANSWER: X -- 1.5 PPM PER YEAR 

Global climate change is being attributed to the atmospheric increase in what two gases produced by human activities? w) ozone and methane x) nitrous oxide and sulfur dioxide y) methane and carbon dioxide z) ozone and carbon monoxide

Description : Global climate change is being attributed to the atmospheric increase in what two gases produced by human activities? w) ozone and methane x) nitrous oxide and sulfur dioxide y) methane and carbon dioxide z) ozone and carbon monoxide

Last Answer : ANSWER: Y -- METHANE AND CARBON DIOXIDE 

Which of the following processes doesn't account for an increase in atmospheric CO2 (carbon dioxide) levels? w) deforestation x) photosynthetic processes y) plant respiration z) fossil fuel combustion

Description : Which of the following processes doesn't account for an increase in atmospheric CO2 (carbon dioxide) levels? w) deforestation x) photosynthetic processes y) plant respiration z) fossil fuel combustion

Last Answer : ANSWER: X -- PHOTOSYNTHETIC PROCESSES

The principal volcanic gas (in terms of quantity) is: w) carbon dioxide x) nitrogen dioxide y) sulfur dioxide z) steam (H2O)

Description : The principal volcanic gas (in terms of quantity) is: w) carbon dioxide x) nitrogen dioxide y) sulfur dioxide z) steam (H2O)

Last Answer : ANSWER: Z -- STEAM (H2O)

Which of the following gases is given off in the acid test of a carbonate mineral? w) chlorine x) nitrogen y) carbon dioxide z) sulfur dioxide

Description : Which of the following gases is given off in the acid test of a carbonate mineral? w) chlorine x) nitrogen y) carbon dioxide z) sulfur dioxide

Last Answer : ANSWER: Y -- CARBON DIOXIDE

The concentration of carbon dioxide in the atmosphere is in the range of: w) 1-10 parts per million x) 10-100 parts per million y) 100-1000 parts per million z) 1000-10,000 parts per million

Description : The concentration of carbon dioxide in the atmosphere is in the range of: w) 1-10 parts per million x) 10-100 parts per million y) 100-1000 parts per million z) 1000-10,000 parts per million

Last Answer : ANSWER: Y -- 100-1000 PARTS PER MILLION (the exact number is 350 ppm as of the time of this article)

Global climate change is being attributed to the atmospheric increase in what two gases produced by human activities? w) oxygen and hydrogen x) ozone and methane y) nitrous oxide and sulfur dioxide z) methane and carbon dioxide e) ozone and carbon monoxide

Description : Global climate change is being attributed to the atmospheric increase in what two gases produced by human activities? w) oxygen and hydrogen x) ozone and methane y) nitrous oxide and sulfur dioxide z) methane and carbon dioxide e) ozone and carbon monoxide

Last Answer : ANSWER: Z -- METHANE AND CARBON DIOXIDE

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

Description : 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

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

Which of the following is not a major pollutant from automobiles. w) carbon monoxide x) unburned hydrocarbons y) nitrous oxide z) sulfur dioxide

Description : Which of the following is not a major pollutant from automobiles. w) carbon monoxide x) unburned hydrocarbons y) nitrous oxide z) sulfur dioxide 

Last Answer : ANSWER: Z -- SULFUR DIOXIDE

Which of the following is believed to be responsible for the hole in the ozone layer over Antarctic? w) carbon dioxide x) compounds containing sulfur y) radioactivity z) compounds containing chlorine

Description : Which of the following is believed to be responsible for the hole in the ozone layer over Antarctic? w) carbon dioxide x) compounds containing sulfur y) radioactivity z) compounds containing chlorine  

Last Answer : ANSWER: Z -- COMPOUNDS CONTAINING CHLORINE

What is the major visible constituent of the exhaust plume from a natural gas-fired power plant? w) carbon dioxide x) carbon monoxide y) smoke z) water

Description : What is the major visible constituent of the exhaust plume from a natural gas-fired power plant? w) carbon dioxide x) carbon monoxide y) smoke z) water 

Last Answer : ANSWER: Z -- WATER 

What are uses for baking soda?

Description : What are uses for baking soda?

Last Answer : As a household cleaning agent and as a raising agent in baking.

Diamond has each of the following properties except: w) extreme hardness x) ability to conduct electricity y) high melting point z) tendency to burn in air

Description : Diamond has each of the following properties except: w) extreme hardness x) ability to conduct electricity y) high melting point z) tendency to burn in air

Last Answer : ANSWER: X -- ABILITY TO CONDUCT ELECTRICITY 

Allotropic modifications of phosphorus include each of the following EXCEPT: w) red phosphorus x) black phosphorus y) white phosphorus z) green phosphorus

Description : Allotropic modifications of phosphorus include each of the following EXCEPT: w) red phosphorus x) black phosphorus y) white phosphorus z) green phosphorus

Last Answer : ANSWER: Z -- GREEN PHOSPHORUS

A certain refrigerating system has a normal operating suction pressure of 10 kg/cm gauge and condensing pressure ofabout 67 kg/cm. The refrigerant used is (a) Ammonia (b) Carbon dioxide (c) Freon (d) Brine

Description : A certain refrigerating system has a normal operating suction pressure of 10 kg/cm gauge and condensing pressure ofabout 67 kg/cm. The refrigerant used is (a) Ammonia (b) Carbon dioxide (c) Freon (d) Brine

Last Answer : Ans: b

Which of the following is not a common refrigerant? (A) Freon-12 (B) Ethylene (C) Ammonia (D) Carbon dioxide

Description : Which of the following is not a common refrigerant? (A) Freon-12 (B) Ethylene (C) Ammonia (D) Carbon dioxide

Last Answer : (B) Ethylene

Which of the following statements are correct about chloroform? a. Liquid fuel b. Anaesthetic in nature c. Produces phosgene d. Fire extinguisher (1) a, b (2) a, c (3) b, c (4) d, a

Description : Which of the following statements are correct about chloroform? a. Liquid fuel b. Anaesthetic in nature c. Produces phosgene d. Fire extinguisher (1) a, b (2) a, c (3) b, c (4) d, a

Last Answer : b, c