The chemical formula of the laughing gas is – (1) NO (2) N2O (3) NO2 (4) N2O3

The chemical formula of the laughing gas is – (1) NO (2) N2O (3) NO2 (4) N2O3
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(2) N2O Explanation: Nitrous oxide, commonly known as laughing gas, is a chemical compound with the formula N2O. It is an oxide of nitrogen.
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The chemical formula of the laughing gas is (1) NO (2) N2O (3) NO2 (4) N2O3

Description : The chemical formula of the laughing gas is (1) NO (2) N2O (3) NO2 (4) N2O3

Last Answer : N2O

Which one is neutral in character? (A) N2O4 (B) N2O (C) N2O5 (D) N2O3

Description : Which one is neutral in character? (A) N2O4 (B) N2O (C) N2O5 (D) N2O3

Last Answer : (B) N2O

Which of the following is used as anesthetic? (1) NH3 (2) NO (3) NO2 (4) N2O

Description : Which of the following is used as anesthetic? (1) NH3 (2) NO (3) NO2 (4) N2O

Last Answer : (2) NO Explanation: Nitrous oxide (NO), commonly known as laughing as or happy gas, is the most commonly used inhalation anesthetic in dentistry and is commonly used in emergency centers ... inorganic inhalation agent that is colorless, odorless to sweet-smelling, and nonirritating to the tissues.

Which of the following is used as anesthetic ? (1) NH3 (2) NO (3) NO2 (4) N2O

Description : Which of the following is used as anesthetic ? (1) NH3 (2) NO (3) NO2 (4) N2O

Last Answer : NO

When conc. H2 SO4 is added to dry KNO3 , brown fumes are evolved. These fumes are due to (1) SO3 (2) SO2 (3) NO2 (4) N2O

Description : When conc. H2 SO4 is added to dry KNO3 , brown fumes are evolved. These fumes are due to (1) SO3 (2) SO2 (3) NO2 (4) N2O

Last Answer : NO2

The chemical name of “laughing gas” is - (1) Nitric oxide (2) Nitrogen dioxide (3) Nitrogen pentoxide (4) Nitrous oxide

Description : The chemical name of “laughing gas” is - (1) Nitric oxide (2) Nitrogen dioxide (3) Nitrogen pentoxide (4) Nitrous oxide

Last Answer : (4) Nitrous oxide Explanation: Nitrous oxide, commonly known as laughing gas, is a chemical compound with the formula N2O. It is used in surgery and dentistry for its anesthetic and analgesic effects ... of inhaling it, a property that has led to its recreational use as a dissociative anesthetic.

The chemical name of “laughing gas’ is (1) Nitric oxide (2) Nitrogen dioxide (3) Nitrogen pentoxide (4) Nitrous oxide

Description : The chemical name of “laughing gas’ is (1) Nitric oxide (2) Nitrogen dioxide (3) Nitrogen pentoxide (4) Nitrous oxide

Last Answer :  Nitrous oxide

Photo chemical smog is a result-ant of the reaction among – (1) High concentration of NO2, O3, and CO in the evening (2) CO, CO2 and NO2 at low temperature (3) CO, O2 and peroxy acetyl nitrate in the presence of Sunlight (4) NO2, O3 and peroxy acetyl nitrate in the presence of Sunlight

Description : Photo chemical smog is a result-ant of the reaction among – (1) High concentration of NO2, O3, and CO in the evening (2) CO, CO2 and NO2 at low temperature (3) CO, O2 and peroxy acetyl nitrate in the presence of Sunlight (4) NO2, O3 and peroxy acetyl nitrate in the presence of Sunlight

Last Answer : (4) NO2, O3 and peroxy acetyl nitrate in the presence of Sunlight Explanation: Photochemical smog is a unique type of air pollution which is caused by reactions between sunlight and pollutants like hydrocarbons and nitrogen dioxide (NO and NO2).

What is the chemical name of laughing gas? -General Knowledge

Description : What is the chemical name of laughing gas? -General Knowledge

Last Answer : Nitrous oxide is a safe and effective sedative agent that is mixed with oxygen and inhaled through a small mask that fits over your nose to help you relax. Nitrous oxide, sometimes called ... , is one option your dentist may offer to help make you more comfortable during certain procedures.

What is the chemical name of laughing gas ?

Description : What is the chemical name of laughing gas ?

Last Answer : The chemical name of laughing gas is nitrous oxide

The chemical name of Laughing gas is------? A. Nitric oxide B. Nitrogen dioxide C. Nitrogen pentoxide D. Nitrous oxide (Answer)

Description : The chemical name of Laughing gas is------? A. Nitric oxide B. Nitrogen dioxide C. Nitrogen pentoxide D. Nitrous oxide (Answer)

Last Answer : D. Nitrous oxide (Answer)

Laughing gas has chemical composition of following two elements ? A. Nitrogen + Hydrogen B. Nitrogen + Carbon C. Nitrogen + Oxygen (Answer) D. Oxygen + Carbon E. None of these

Description : Laughing gas has chemical composition of following two elements ? A. Nitrogen + Hydrogen B. Nitrogen + Carbon C. Nitrogen + Oxygen (Answer) D. Oxygen + Carbon E. None of these

Last Answer : C. Nitrogen + Oxygen (Answer)

Oxygen has (+) oxidation number only in – (1) OF2 (2) Cl2O (3) H2O (4) N2O

Description : Oxygen has (+) oxidation number only in – (1) OF2 (2) Cl2O (3) H2O (4) N2O

Last Answer : (1) OF2 Explanation: In case of F2O, oxygen is not the most electronegative element. The fluorine is more electronegative and has an oxidation state of -1. In this case, the oxygen has an oxidation state of +2.

Oxygen has (+) oxidation number only in (1) OF2 (2) Cl2O (3) H2O (2) N2O

Description : Oxygen has (+) oxidation number only in (1) OF2 (2) Cl2O (3) H2O (2) N2O

Last Answer : OF2

What is Laughing Gas ? What is Laughing Gas ?

Description : What is Laughing Gas ? What is Laughing Gas ?

Last Answer : : Nitrous oxide ( N2O) is called laughing gas.

What is the sign of laughing gas ?

Description : What is the sign of laughing gas ?

Last Answer : Laughing gas signal 8 Nitrous Oxide N2O

Which of the following molecules or ions involved in the Nitrogen Cycle do not contain oxygen atom? (1) Nitrite (2) Ammonia (3) Nitrate (4) Laughing gas

Description : Which of the following molecules or ions involved in the Nitrogen Cycle do not contain oxygen atom? (1) Nitrite (2) Ammonia (3) Nitrate (4) Laughing gas

Last Answer : (2) Ammonia

Which of the following gases is known as “Laughing Gas”? (1) Nitrous oxide (2) Nitrogen peroxide (3) Nitrogen (4) Nitric oxide

Description : Which of the following gases is known as “Laughing Gas”? (1) Nitrous oxide (2) Nitrogen peroxide (3) Nitrogen (4) Nitric oxide

Last Answer : (1) Nitrous oxide Explanation: Nitrous oxide (N2O) is commonly known as laughing gas. It is used in surgery and dentistry for its anaesthetic and analgesic effects. It is known as "laughing gas ... effects of inhaling it, a property that has led to its recreational use as a dissociative anaesthetic.

What is a common name for the substance which irritates lachrymal glands? (1) Tear Gas (2) Laughing Gas (3) Anaesthetic Gas (4) Noble Gas

Description : What is a common name for the substance which irritates lachrymal glands? (1) Tear Gas (2) Laughing Gas (3) Anaesthetic Gas (4) Noble Gas

Last Answer : (1) Tear Gas Explanation: Lacrimal gland, located under the upper eyelid at the outer cornea of the eye, is responsible for tearing during emotional stimulation or following corneal ... , causing a stinging sensation and tears. It produces severe lacrimation by irritating the conjunctivae.

Laughing gas is – (1) Nitric oxide (2) Nitrous oxide (3) Nitrogen trioxide (4) Nitrogen pentoxide

Description : Laughing gas is – (1) Nitric oxide (2) Nitrous oxide (3) Nitrogen trioxide (4) Nitrogen pentoxide

Last Answer : (2) Nitrous oxide Explanation: Laughing gas is Nitrous Oxide (N2O).

Which of the following gases is known as “Laughing Gas”? (1) Nitrous oxide (2) Nitrogen peroxide (3) Nitrogen (4) Nitric oxide

Description : Which of the following gases is known as “Laughing Gas”? (1) Nitrous oxide (2) Nitrogen peroxide (3) Nitrogen (4) Nitric oxide

Last Answer : Nitrous oxide

What is a common name for the substance which irritates lachrymal glands ? (1) Tear Gas (2) Laughing Gas (3) Anaesthetic Gas (4) Noble Gas

Description : What is a common name for the substance which irritates lachrymal glands ? (1) Tear Gas (2) Laughing Gas (3) Anaesthetic Gas (4) Noble Gas

Last Answer : Tear Gas

Laughing gas is (1) Nitric oxide (2) Nitrous oxide (3) Nitrogen trioxide (4) Nitrogen pentoxide

Description : Laughing gas is (1) Nitric oxide (2) Nitrous oxide (3) Nitrogen trioxide (4) Nitrogen pentoxide

Last Answer : Nitrous oxide

Indicate the types of isomerisms exhibited by the complex [Co(NH3)5 (NO2)] (NO3)2. (At. no. Co = 27) -Chemistry

Description : Indicate the types of isomerisms exhibited by the complex [Co(NH3)5 (NO2)] (NO3)2. (At. no. Co = 27) -Chemistry

Last Answer : It shows ionisation isomerism and linkage isomerism.

Laughing gas is (a) NO (b) N203 (c) N20 (d) N205

Description : Laughing gas is (a) NO (b) N203 (c) N20 (d) N205

Last Answer : Ans:(c)

Is N2O a heterogeneous?

Description : Is N2O a heterogeneous?

Last Answer : Compound, not a mixture

How many moles of N are in 0.223 g of N2O?

Description : How many moles of N are in 0.223 g of N2O?

Last Answer : The number of nitrogen moles is 0,01.

Which of the following is used as anaesthetics? (1) N2 (2) N2O (3) CHI (4) CO2

Description : Which of the following is used as anaesthetics? (1) N2 (2) N2O (3) CHI (4) CO2

Last Answer : (2) N2O Explanation: Nitrous oxide (N2O) is a colorless, odorless gas that is used as an anesthetic and analgesic. It is used in surgery and dentistry for its anaesthetic and analgesic effects ... effects of inhaling it, a property that has led to its recreational use as a dissociative anaesthetic.

Which one of the following is a most harmful pollutant by automobiles? (a) SO2 (b) CO (c) N2O (d) CO2

Description : Which one of the following is a most harmful pollutant by automobiles? (a) SO2 (b) CO (c) N2O (d) CO2

Last Answer : (b) CO

N2O excretes through: A. Urine B. Lungs

Description : N2O excretes through: A. Urine B. Lungs

Last Answer : B. Lungs

Which of the following is correct about Nitrous Oxide N2O: A. N2O has high analgesic and low anaesthetic property at its minimum anaesthetic dose. “Low MAC; Max Anaesthetic Concentration” B. Absolutely contraindicated in pregnancy C. Has low blood diffusibility and result in hypoxia D. It is good anaesthetic and low MAC

Description : Which of the following is correct about Nitrous Oxide N2O: A. N2O has high analgesic and low anaesthetic property at its minimum anaesthetic dose. Low MAC; Max Anaesthetic Concentration B. Absolutely ... C. Has low blood diffusibility and result in hypoxia D. It is good anaesthetic and low MAC

Last Answer : C. Has low blood diffusibility and result in hypoxia

Nitrous Oxide (N2O) is not used alone as a general anaesthetic agent because of:** A. Difficulties in maintaining an adequate O2 concentration B. Adverse affects on liver C. Poor analgesics affects

Description : Nitrous Oxide (N2O) is not used alone as a general anaesthetic agent because of:** A. Difficulties in maintaining an adequate O2 concentration B. Adverse affects on liver C. Poor analgesics affects

Last Answer : C. Poor analgesics affects

The main precursors of winter smog are (A) N2O and hydrocarbons (B) NOx and hydrocarbons (C) SO2 and hydrocarbons (D) SO2 and ozone

Description : The main precursors of winter smog are (A) N2O and hydrocarbons (B) NOx and hydrocarbons (C) SO2 and hydrocarbons (D) SO2 and ozone

Last Answer : (C) SO2 and hydrocarbons

Which of the following is used as anaesthetics? (1) N2 (2) N2O (3) CH4 (4) CO2

Description : Which of the following is used as anaesthetics? (1) N2 (2) N2O (3) CH4 (4) CO2

Last Answer : Stem

What is the total number of nitrogen atoms in 0.25 mole of NO2 gas?

Description : What is the total number of nitrogen atoms in 0.25 mole of NO2 gas?

Last Answer : 0,25 mole of NO2 gas contain 1,505 535 214 25.10e23 nitrogen atoms.

What is the total number of nitrogen atoms in 0.25 mole of NO2 gas?

Description : What is the total number of nitrogen atoms in 0.25 mole of NO2 gas?

Last Answer : 0,25 mole of NO2 gas contain 1,505 535 214 25.10e23 nitrogen atoms.

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

Automobile exhaust gas that causes major respiratory problem is a) CO b) CH4 C) NO2 d) Chlorine.

Description : Automobile exhaust gas that causes major respiratory problem is a) CO b) CH4 C) NO2 d) Chlorine.

Last Answer : a) CO 

Aerated water contains – (1) SO2 (2) NO2 (3) NO2 (4) CO2

Description : Aerated water contains – (1) SO2 (2) NO2 (3) NO2 (4) CO2

Last Answer : (4) CO2 Explanation: Aerated water is, correctly speaking, water to which air is added. So aerated water is any water artificially impregnated with a large amount of has (as carbon dioxide). The term is, however, frequently applied to carbonated water.

Acid rain is caused by - (1) SO2 and particulates (2) (2) NO2 and particulates (3) (8) CO2 and CFCs (4) (4) SO2 and NO2

Description : Acid rain is caused by - (1) SO2 and particulates (2) (2) NO2 and particulates (3) (8) CO2 and CFCs (4) (4) SO2 and NO2

Last Answer : (4) SO2 and NO2 Explanation: Acid rain is a rain or any other form of precipitation that is unusually acidic, meaning that it possesses elevated levels of hydrogen ions (low pH). Acid ... sulfur dioxide and nitrogen oxide, which react with the water molecules in the atmosphere to produce acids.

Interveinal necrotic spots on leaves appear due to – (1) HF injuly (2) SO2 injury (3) NO2 injury (4) O3 injury

Description : Interveinal necrotic spots on leaves appear due to – (1) HF injuly (2) SO2 injury (3) NO2 injury (4) O3 injury

Last Answer : (2) SO2 injury Explanation: Injury caused by sulphur oxides show interveinal necrotic areas that are light tan to white. Uninjured tissue new to the veins remains green.

Pollutant from motor car exhaust that causes mental disease is – (1) Lead (2) NO2 (3) SO2 (4) Hg

Description : Pollutant from motor car exhaust that causes mental disease is – (1) Lead (2) NO2 (3) SO2 (4) Hg

Last Answer : (1) Lead Explanation: Lead poisoning is a medical condition caused by increased levels of the heavy metal lead in the body. Lead interferes with a variety of body processes and is toxic to ... It interferes with the development of the nervous system, and is therefore particularly toxic to children.

Major gaseous pollutant of the thermal power station is – (1) H2S (2) NH3 (3) NO2 (4) SO2

Description : Major gaseous pollutant of the thermal power station is – (1) H2S (2) NH3 (3) NO2 (4) SO2

Last Answer : (4) SO2 Explanation: A flue-gas stack is a type of chimney, a vertical pipe, channel or similar structure through which combustion product gases called flue gases are exhausted to the outside air ... CO2) and water vapor as well as nitrogen and excess oxygen remaining from the intake combustion air.

Which antibiotic contains NO2 group attached to aromatic nucleus in its structure ?

Description : Which antibiotic contains NO2 group attached to aromatic nucleus in its structure ?

Last Answer : Ans. Chloramphenicol. 

Which of the following is an auxochrome? (a) –N=O (b) –NO2 (c) –N=N– (d) –OH

Description : Which of the following is an auxochrome? (a) –N=O (b) –NO2 (c) –N=N– (d) –OH

Last Answer : –OH

Which of the following is a chromophore? (a) –NO2 (b) –SO3H (c) –OH (d) –COOH

Description : Which of the following is a chromophore? (a) –NO2 (b) –SO3H (c) –OH (d) –COOH

Last Answer : –NO2

Which of the following is not an electrophile? (a) NH3 (b) Br+ (c) AlCl3 (d) NO2+

Description : Which of the following is not an electrophile? (a) NH3 (b) Br+ (c) AlCl3 (d) NO2+

Last Answer : NH3

An amine contains which one of the following functional groups? w) NO2 x) NOH y) NH2 z) N2

Description : An amine contains which one of the following functional groups? w) NO2 x) NOH y) NH2 z) N2

Last Answer : ANSWER: Y -- NH2

Interveinal necrotic spots on leaves appear due to (1) HF injury (2) SO2 injury (3) NO2 injury (4) O3 injury

Description : Interveinal necrotic spots on leaves appear due to (1) HF injury (2) SO2 injury (3) NO2 injury (4) O3 injury

Last Answer : SO2 injury