Which of the following best describes Chlorine? w) colorless liquid x) reddish-brown liquid y) colorless gas z) greenish-yellow gas

Which of the following best describes Chlorine? w) colorless liquid x) reddish-brown liquid y) colorless gas z) greenish-yellow gas
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ANSWER: D -- GREENISH-YELLOW GAS
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Chlorine is used in swimming pools as a disinfecta In its natural, standard state it is a: w) blue liquid x) colorless crystals y) yellow-green gas z) reddish-brown gas

Description : Chlorine is used in swimming pools as a disinfecta In its natural, standard state it is a: w) blue liquid x) colorless crystals y) yellow-green gas z) reddish-brown gas

Last Answer : ANSWER: Y -- YELLOW-GREEN GAS

By adding 1 ml of Orthotolidine solution to 100 ml chlorinated water taken after contact period, the residual chlorine makes the colour of solution (A) Yellowish (B) Greenish (C) Bluish (D) Reddish

Description : By adding 1 ml of Orthotolidine solution to 100 ml chlorinated water taken after contact period, the residual chlorine makes the colour of solution (A) Yellowish (B) Greenish (C) Bluish (D) Reddish

Last Answer : (A) Yellowish

When `F_2` is passed into a solution of mineral acid X, a greenish yellow gas Y is formed. Which on treating With slaked time forms "Z". When Red litm

Description : When `F_2` is passed into a solution of mineral acid X, a greenish yellow gas Y is formed. Which on treating With slaked time forms "Z". When Red litm

Last Answer : When `F_2` is passed into a solution of mineral acid X, a greenish yellow gas Y is formed. Which on ... (C) White in colour D. (D) None of these

Which of the following is NOT a general property of hydroxide bases in aqueous solution? w) High solubility x) Bitter taste y) Ability to neutralize aqueous acid solutions z) Ability to change phenolphthalein from colorless to red

Description : Which of the following is NOT a general property of hydroxide bases in aqueous solution? w) High solubility x) Bitter taste y) Ability to neutralize aqueous acid solutions z) Ability to change phenolphthalein from colorless to red

Last Answer : ANSWER: W -- HIGH SOLUBILITY (The hydroxides of the alkali metals are soluble in water but all the other metal hydroxides are only moderately or sparingly soluble.)

Many elements are Greek or Latin names for a particular color, examples are Chlorine from chloros (greenish-yellow) and Cesium from caesius (sky blue). What is the element that was named from the Greek word meaning color?

Description : Many elements are Greek or Latin names for a particular color, examples are Chlorine from chloros (greenish-yellow) and Cesium from caesius (sky blue). What is the element that was named from the Greek word meaning color?

Last Answer : ANSWER: CHROMIUM

In geological studies, arkose contains which of th following minerals which gives it a reddish color? w) orthoclase x) calcite y) aragonite (pron: a-rag-o-nite) z) quartz

Description : In geological studies, arkose contains which of th following minerals which gives it a reddish color? w) orthoclase x) calcite y) aragonite (pron: a-rag-o-nite) z) quartz

Last Answer : ANSWER: W -- ORTHOCLASE

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.

Ethers are kept in brown bottles because (a) Brown bottles are cheaper than colorless clear bottles (b) Ethers absorb moisture(c) Ethers evaporate readily(d) Ethers are oxidized to explosive peroxides

Description : Ethers are kept in brown bottles because (a) Brown bottles are cheaper than colorless clear bottles (b) Ethers absorb moisture (c) Ethers evaporate readily (d) Ethers are oxidized to explosive peroxides

Last Answer : Ethers are oxidized to explosive peroxides

Which of the following elements does not normally occur as a diatomic molecule? w) hydrogen x) chlorine y) argon z) oxygen

Description : Which of the following elements does not normally occur as a diatomic molecule? w) hydrogen x) chlorine y) argon z) oxygen

Last Answer : ANSWER: Y -- ARGON

Of the nonmetallic elements the one least likely to be found in organic compounds is: w) nitrogen x) phosphorus y) chlorine z) selenium

Description : Of the nonmetallic elements the one least likely to be found in organic compounds is: w) nitrogen x) phosphorus y) chlorine z) selenium

Last Answer : ANSWER: Z -- SELENIUM

The oxidation number of chlorine in KClO4 is: w) -1 x) +3 y) +7 z) +1

Description : The oxidation number of chlorine in KClO4 is: w) -1 x) +3 y) +7 z) +1

Last Answer : ANSWER: C -- +7

Which of the following has the smallest atomic radius? w) iodine x) chlorine y) fluorine z) bromine

Description : Which of the following has the smallest atomic radius? w) iodine x) chlorine y) fluorine z) bromine

Last Answer : ANSWER: Y -- FLUORINE

Compared to Chlorine, Bromine has: w) smaller atomic size x) higher density y) lower boiling point z) greater number of outer electrons

Description : Compared to Chlorine, Bromine has: w) smaller atomic size x) higher density y) lower boiling point z) greater number of outer electrons

Last Answer : ANSWER: X -- HIGHER DENSITY

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 

Which of the following has a multiple covalent bond? w) Bromine x) Hydrogen y) Oxygen z) Chlorine Monofluoride

Description : Which of the following has a multiple covalent bond? w) Bromine x) Hydrogen y) Oxygen z) Chlorine Monofluoride

Last Answer : ANSWER: Y -- OXYGEN 

The molar volume of which two elements is the same at standard temperature and pressure? w) fluorine and bromine x) fluorine and iodine y) fluorine and chlorine z) bromine and iodine

Description : The molar volume of which two elements is the same at standard temperature and pressure? w) fluorine and bromine x) fluorine and iodine y) fluorine and chlorine z) bromine and iodine

Last Answer : ANSWER: Y -- FLUORINE AND CHLORINE

Which of the following is NOT oxidized by chlorine? w) F- (read: F minus) x) Br- (read: B - R minus) y) F2 (read: F - 2) z) I- (read: I minus)

Description : Which of the following is NOT oxidized by chlorine? w) F- (read: F minus) x) Br- (read: B - R minus) y) F2 (read: F - 2) z) I- (read: I minus)

Last Answer : ANSWER: A -- F

Which of the following reactions involve NEITHER oxidation nor reduction? w) burning antimony in chlorine x) decomposition of potassium chlorate y) reaction of sodium with water z) reaction of potassium hydroxide with nitric acid

Description : Which of the following reactions involve NEITHER oxidation nor reduction? w) burning antimony in chlorine x) decomposition of potassium chlorate y) reaction of sodium with water z) reaction of potassium hydroxide with nitric acid

Last Answer : ANSWER: Z -- REACTION OF POTASSIUM HYDROXIDE WITH NITRIC ACID  

Which of the following halogens does NOT replace the other halogens from their compounds? w) fluorine x) iodine y) bromine z) chlorine

Description : Which of the following halogens does NOT replace the other halogens from their compounds? w) fluorine x) iodine y) bromine z) chlorine

Last Answer : ANSWER: X -- IODINE

A greenish yellow gas reacts with an alkin metal hydroxide to form a halate which can be used in fireworks and saftey matches. The gas and the halate

Description : A greenish yellow gas reacts with an alkin metal hydroxide to form a halate which can be used in fireworks and saftey matches. The gas and the halate

Last Answer : A greenish yellow gas reacts with an alkin metal hydroxide to form a halate which can be used in fireworks and ... C. (3)`l_2, NalO_3` D. (4) none

This colorless liquid has a mild characteristic odor. Its chemical formula is C2H5OH. Name this liquid.

Description : This colorless liquid has a mild characteristic odor. Its chemical formula is C2H5OH. Name this liquid.

Last Answer : ANSWER: ETHYL ALCOHOL or ETHANOL

To increase the solubility of a gas in a liquid as much as possible, we would use: w) low temperature and high pressure. x) high temperature and high pressure. y) high temperature and low pressure. z) low temperature and low pressure.

Description : To increase the solubility of a gas in a liquid as much as possible, we would use: w) low temperature and high pressure. x) high temperature and high pressure. y) high temperature and low pressure. z) low temperature and low pressure.

Last Answer : ANSWER: W -- LOW TEMPERATURE AND HIGH PRESSURE.

Solubility of a gas in a liquid exhibits what type proportionality to the liquid temperature? w) direct x) inverse y) logarithmic z) exponential

Description : Solubility of a gas in a liquid exhibits what type proportionality to the liquid temperature? w) direct x) inverse y) logarithmic z) exponential

Last Answer : ANSWER: X -- INVERSE

"The solubility of a gas in a liquid is directly proportional to the pressure of the gas above the liquid" is a fair statem of: w) Dalton's secondary law x) Le Chatelier's solubility principle y) Henry's law z) none of the above

Description : "The solubility of a gas in a liquid is directly proportional to the pressure of the gas above the liquid" is a fair statem of: w) Dalton's secondary law x) Le Chatelier's solubility principle y) Henry's law z) none of the above

Last Answer : ANSWER: Y -- HENRY'S LAW

Which gas color is reddish brown ?

Description : Which gas color is reddish brown ?

Last Answer : : The color of nitrogen dioxide gas is reddish brown.

The reddish -brown gas formed when nitric oxide is oxidized by air is

Description : The reddish -brown gas formed when nitric oxide is oxidized by air is

Last Answer : The reddish -brown gas formed when nitric oxide is oxidized by air is A. `NO_(2)` B. `N_(2)O_(4)` C. `N_(2)O_(5)` D. `N_(2)O_(3)`

The reddish -brown gas formed when nitric oxide is oxidized by air is

Description : The reddish -brown gas formed when nitric oxide is oxidized by air is

Last Answer : The reddish -brown gas formed when nitric oxide is oxidized by air is A. `NO_(2)` B. `N_(2)O_(4)` C. `N_(2)O_(5)` D. `N_(2)O_(3)`

Which of the following salts release reddish brown gas when heated in a dry test tube ?

Description : Which of the following salts release reddish brown gas when heated in a dry test tube ?

Last Answer : Which of the following salts release reddish brown gas when heated in a dry test tube ? A. `LiNO_(3)` B. `KNO_(3)` C. `Pb(NO_(3))_(2)` D. `AgNO_(3)`

Which of the following is a reddish-brown pollutant gas?

Description : Which of the following is a reddish-brown pollutant gas?

Last Answer : Which of the following is a reddish-brown pollutant gas?

Which of the following best describes Nylon? w) polyamide x) polyester y) polyolefin z) acrylic

Description : Which of the following best describes Nylon? w) polyamide x) polyester y) polyolefin z) acrylic

Last Answer : ANSWER: W -- POLYAMIDE

Which of the following describes the orientation of bonds in an sp3 hybridized atom? w)triagonal x)linear y)tetrahedral z)planar

Description : Which of the following describes the orientation of bonds in an sp3 hybridized atom? w)triagonal x)linear y)tetrahedral z)planar

Last Answer : ANSWER: Y -- TETRAHEDRAL

What is responsible for the reddish, brown color of photochemical smog?

Description : What is responsible for the reddish, brown color of photochemical smog?

Last Answer : ANSWER: NITROGEN DIOXIDE or NO2

Which element in chlorofluorocarbons (CFCs) is responsible for destroying the Earth's ozone layer? w) oxygen x) fluorine y) chlorine z) bromine

Description : Which element in chlorofluorocarbons (CFCs) is responsible for destroying the Earth's ozone layer? w) oxygen x) fluorine y) chlorine z) bromine

Last Answer : ANSWER: Y -- CHLORINE

Which of the following elements is found in the earth's crust as both a native element and as a compound? w) argon x) copper y) chlorine z) silicon

Description : Which of the following elements is found in the earth's crust as both a native element and as a compound? w) argon x) copper y) chlorine z) silicon

Last Answer : ANSWER: X -- COPPER

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

Which two gases are used to disinfect water in sewage treatment facilities? w) helium and nitrogen x) ozone and chlorine y) oxygen and hydrogen z) nitrogen and chlorine

Description : Which two gases are used to disinfect water in sewage treatment facilities? w) helium and nitrogen x) ozone and chlorine y) oxygen and hydrogen z) nitrogen and chlorine 

Last Answer : ANSWER: X -- OZONE AND CHLORINE

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

Are rivers in real life brown, greenish brown, brownish green, or kind of clear, but in pictures they're blue and turqouise, etc.?

Description : Are rivers in real life brown, greenish brown, brownish green, or kind of clear, but in pictures they're blue and turqouise, etc.?

Last Answer : Well, of course, the green and blue and turquoise are reflecting the sky. Brown rivers have drainage from soil. Such as farming upstream. Clear water will flow eventually anywhere, but particularly of ... plants, but usually the blue-green is a combination of reflected or refracted light and algae.

When urine is greenish brown what does that indicate?

Description : When urine is greenish brown what does that indicate?

Last Answer : It could mean that the person has eaten asparagus. Or it can bea serious urinary infection that is also in the blood stream.

The colour of loamy soil is – (1) Greenish brown (2) Bluish green (3) Yellowish brown (4) Blackish brown

Description : The colour of loamy soil is – (1) Greenish brown (2) Bluish green (3) Yellowish brown (4) Blackish brown

Last Answer : (4) Blackish brown Explanation: Loam encompasses a variety of soil types, some granulated and nicely draining, while others may be thicker and have the consistency of mud. Most loam soils are a brown or black ... yet the drainage is well. Loamy soil is composed of 40 % sand, 40% silt and 20% clay.

The colour of loamy soil is (1) Greenish brown (2) Bluish green (3) Yellowish brown (4) Blackish brown

Description : The colour of loamy soil is (1) Greenish brown (2) Bluish green (3) Yellowish brown (4) Blackish brown

Last Answer : Blackish brown

How can i change the yellow color of urine to colorless?

Description : How can i change the yellow color of urine to colorless?

Last Answer : Drink lots of water. I do and my urine is always almost clear. this is probably tmi but, you asked! :)

What is a clean colorless tasteless and nearly odorless liquid?

Description : What is a clean colorless tasteless and nearly odorless liquid?

Last Answer : Need answer

I will be describing a chemical element. Try to identify it with the fewest number of clues. This element is a halogen wh is a liquid at standard conditions. The element volatilizes readily at ro temperature to form a reddish vapor which is very irritating to the eyes a flesh. The atomic number of this element is 35 and its chemical symbol is Br. Name this element.

Description : I will be describing a chemical element. Try to identify it with the fewest number of clues. This element is a halogen wh is a liquid at standard conditions. The element volatilizes readily at ro ... . The atomic number of this element is 35 and its chemical symbol is Br. Name this element.

Last Answer : ANSWER: BROMINE

Which of the following is NOT a physical property of crystalline boron? w) brown color x) diamond hardness y) brittleness z) high electrical resistance

Description : Which of the following is NOT a physical property of crystalline boron? w) brown color x) diamond hardness y) brittleness z) high electrical resistance 

Last Answer : ANSWER: W -- BROWN COLOR (Crystalline boron is transparent.) 

Which of the following is NEVER used as a coolant in nuclear reactors: w) liquid nitrogen x) liquid sodium y) water z) helium gas

Description : Which of the following is NEVER used as a coolant in nuclear reactors: w) liquid nitrogen x) liquid sodium y) water z) helium gas

Last Answer : ANSWER: W -- LIQUID NITROGEN

The change of a gas to a liquid is called: w) vaporization x) sublimation y) condensation z) freezing

Description : The change of a gas to a liquid is called: w) vaporization x) sublimation y) condensation z) freezing

Last Answer : ANSWER: Y -- CONDENSATION

The formation of pockets of gas in a liquid is called: w) absorption x) cavitation y) adsorption z) dissolving

Description : The formation of pockets of gas in a liquid is called: w) absorption x) cavitation y) adsorption z) dissolving

Last Answer : ANSWER: X -- CAVITATION

The amount of heat required to change a boiling liquid to a gas at the same temperature depends on one of the following properties of the liquid. Does it depend on the liquid's: w) heat of fusion x) heat of vaporization y) temperature z) density

Description : The amount of heat required to change a boiling liquid to a gas at the same temperature depends on one of the following properties of the liquid. Does it depend on the liquid's: w) heat of fusion x) heat of vaporization y) temperature z) density

Last Answer : ANSWER: X -- HEAT OF VAPORIZATION

Most of the nuclear power plants operating in the United States are: w) pressurized water reactors x) boiling water reactors y) high-temperature gas-cooled reactors z) liquid-metal fast breeder reactors

Description : Most of the nuclear power plants operating in the United States are: w) pressurized water reactors x) boiling water reactors y) high-temperature gas-cooled reactors z) liquid-metal fast breeder reactors

Last Answer : ANSWER: W -- PRESSURIZED WATER REACTORS