Mist is caused by (1) dry ice (2) ice at low temperature (3) water vapour at low temperature (4) carbon-monoxide in solid form

Mist is caused by (1) dry ice (2) ice at low temperature (3) water vapour at low temperature (4) carbon-monoxide in solid form 
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water vapour at low temperature
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Mist is caused by – (1) dry ice (2) ice at low temperature (3) water vapour at low temperature (4) carbon-monoxide in solid form

Description : Mist is caused by – (1) dry ice (2) ice at low temperature (3) water vapour at low temperature (4) carbon-monoxide in solid form

Last Answer : (3) water vapour at low temperature Explanation: Mist is a phenomenon caused by small droplets of water suspended in air. It can occur as part of natural weather or volcanic activity, and ... canisters if the humidity conditions are right. The only difference between mist and fog is visibility.

Which of the following psychrometric processes is followed by water vapour laden unsaturated air, when it is passed through solid or liquid adsorbent? (A) Cooling and dehumidification (B) Heating and dehumidification at almost constant wet bulb temperature (C) Dehumidification with dry bulb temperature remaining constant (D) None of these

Description : Which of the following psychrometric processes is followed by water vapour laden unsaturated air, when it is passed through solid or liquid adsorbent? (A) Cooling and dehumidification ... (C) Dehumidification with dry bulb temperature remaining constant (D) None of these

Last Answer : (B) Heating and dehumidification at almost constant wet bulb temperature

Dry ice is the solid form of : (1) Air 7 (2) Carbon dioxide (3) Nitrogen (4) Water

Description : Dry ice is the solid form of : (1) Air 7 (2) Carbon dioxide (3) Nitrogen (4) Water

Last Answer : (2) Carbon dioxide Explanation: Dry ice, sometimes referred to as "cardice," is the solid form of carbon dioxide. It is used primarily as a cooling agent. Its advantages include lower tem- ... . It is useful for preserving frozen foods, ice cream, etc., where mechanical cooling is unavailable.

Dry ice is the solid form of : (1) Air (2) Carbon di–oxide (3) Nitrogen (4) Water

Description : Dry ice is the solid form of : (1) Air (2) Carbon di–oxide (3) Nitrogen (4) Water

Last Answer : Carbon di–oxide

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 one of the following contributes largely to the ‘green house effect’? (1) Ozone (2) Carbon monoxide (3) Carbon dioxide (4) Water vapour

Description : Which one of the following contributes largely to the ‘green house effect’? (1) Ozone (2) Carbon monoxide (3) Carbon dioxide (4) Water vapour

Last Answer : (4) Water vapour Explanation: The primary greenhouse gases in the Earth's atmosphere are water vapour, carbon dioxide, methane, nitrous oxide, and ozone. When these gases are ranked by their direct contribution to the ... dioxide: 9-26 per cent; Methane: 4-9 per cent; and Ozone: 3-7 per cent.

The following are green house gases a. Methane, carbon dioxide, carbon monoxide b. Methane, water vapour, carbon sulphide c. Carbon dioxide, hydrogen sulphide, hydrogen cyanide d. Carbon dioxide, Carbon monoxide, hydrogen cyanide

Description : The following are green house gases a. Methane, carbon dioxide, carbon monoxide b. Methane, water vapour, carbon sulphide c. Carbon dioxide, hydrogen sulphide, hydrogen cyanide d. Carbon dioxide, Carbon monoxide, hydrogen cyanide

Last Answer : a. Methane, carbon dioxide, carbon monoxide

Which one of the following contributes largely to the ‘green house effect’ ? (1) Ozone (2) Carbon monoxide (3) Carbon dioxide (4) Water vapour

Description : Which one of the following contributes largely to the ‘green house effect’ ? (1) Ozone (2) Carbon monoxide (3) Carbon dioxide (4) Water vapour

Last Answer : Water vapour

Chemically, dry ice is (a) ice formed from pure distilled water (b) solid carbon dioxide (c) solid sulphur dioxide (d) ice kept at sub-zero temperatures

Description : Chemically, dry ice is (a) ice formed from pure distilled water (b) solid carbon dioxide (c) solid sulphur dioxide (d) ice kept at sub-zero temperatures

Last Answer : Ans:(b)

What is dry ice? (1) Solid Carbon dioxide (2) Solid Nitrogen dioxide (3) Solid Sulphur dioxide (4) Solid Water

Description : What is dry ice? (1) Solid Carbon dioxide (2) Solid Nitrogen dioxide (3) Solid Sulphur dioxide (4) Solid Water

Last Answer : (1) Solid Carbon dioxide Explanation: Dry ice, sometimes referred to as "cardice," is the solid form of carbon dioxide. Its advantages include lower temperature than that of water ice and not leaving any residue (other than incidental frost from moisture in the atmosphere).

Dry ice is ------? A. Methane hydrate B. Liquid Nitrogen C. Solid Carbon dioxide (Answer) D. Frozen Water E. None of these

Description : Dry ice is ------? A. Methane hydrate B. Liquid Nitrogen C. Solid Carbon dioxide (Answer) D. Frozen Water E. None of these

Last Answer : C. Solid Carbon dioxide (Answer)

Dry ice is (a) Solid carbon dioxide (b) Ice dust (c) Liquified nitrogen (d) Liquified hydrogen

Description : Dry ice is (a) Solid carbon dioxide (b) Ice dust (c) Liquified nitrogen (d) Liquified hydrogen

Last Answer : Ans:(a)

Dry ice is – (1) solid ammonia (2) solid sulphur dioxide (3) dry carbon dioxide gas (4) solid carbon dioxide

Description : Dry ice is – (1) solid ammonia (2) solid sulphur dioxide (3) dry carbon dioxide gas (4) solid carbon dioxide

Last Answer : (4) solid carbon dioxide Explanation: Dry ice is the solid form of carbon dioxide. It is used primarily as a cooling agent. Its advantages include lower temperature than that of water ice and ... . It is useful for preserving frozen foods, ice cream, etc., where mechanical cooling is unavailable.

Chemical Name of Dry Ice? A. Solid Carbon Dioxide (Answer) B. Calcium Carbon C. A&B D. Sodium Oxide

Description : Chemical Name of Dry Ice? A. Solid Carbon Dioxide (Answer) B. Calcium Carbon C. A&B D. Sodium Oxide

Last Answer : A. Solid Carbon Dioxide (Answer)

What is Dry Ice? A. Solid Oxygen B. Solid Carbon Dioxide (Answer) C. Solid Hydrogen D. Solid Nitrogen

Description : What is Dry Ice? A. Solid Oxygen B. Solid Carbon Dioxide (Answer) C. Solid Hydrogen D. Solid Nitrogen

Last Answer : B. Solid Carbon Dioxide (Answer)

"Dry ice" is (A) Moisture free ice (B) Solid helium (C) Solid carbon dioxide (D) None of these

Description : "Dry ice" is (A) Moisture free ice (B) Solid helium (C) Solid carbon dioxide (D) None of these

Last Answer : (C) Solid carbon dioxide

Dry ice is (1) solid ammonia (2) solid sulphur dioxide (3) dry carbon dioxide gas (4) solid carbon dioxide

Description : Dry ice is (1) solid ammonia (2) solid sulphur dioxide (3) dry carbon dioxide gas (4) solid carbon dioxide

Last Answer :  solid carbon dioxide

Sublimation temperature of dry ice (solid CO2) is __________ °C. (A) -273 (B) 0 (C) -78 (D) 5

Description : Sublimation temperature of dry ice (solid CO2) is __________ °C. (A) -273 (B) 0 (C) -78 (D) 5

Last Answer : (C) -78

(4) water and petrol are immiscible with each other and petrol which forms the upper layer continues to burn Explanation: Water is not effective in extinguishing a fire caused by petrol because water and petrol are immiscible with each other and petrol which forms the upper layer continues to burn. The specific gravity (or relative density) of gasoline ranges from 0.71-0.77 kg/l (719.7 kg/m3) while the specific gravity of water is 1000 kg/m3 and that is why gasoline or petrol floats on the upper surface of the water. Water cannot generally be used to extinguish a gasoline fire, unless used in a fine mist.

Description : (4) water and petrol are immiscible with each other and petrol which forms the upper layer continues to burn Explanation: Water is not effective in extinguishing a fire caused by petrol because water and ... . Water cannot generally be used to extinguish a gasoline fire, unless used in a fine mist.

Last Answer : "All the four quantum numbers of two electrons in an atom are not the same." It is the law of (1) Hund’s (2) Exclusion Principle of Pauli (3) Uncertainty Principle of Giesenberg (4) Avogadro’s law

Condensation process refers to : (1) Conversion of water into water vapour (2) Conversion of water vapour into solid form (3) Conversion of water into solid form (4) Conversion of water vapour into its liquid form

Description : Condensation process refers to : (1) Conversion of water into water vapour (2) Conversion of water vapour into solid form (3) Conversion of water into solid form (4) Conversion of water vapour into its liquid form

Last Answer : (4) Conversion of water vapour into its liquid form Explanation: Condensation is the change of the physical state of matter from gas phase into liquid phase. It is also defined as teh change in the state of water vapour to liquid water when in contact with a liquid or solid surface.

The main source of carbon monoxide is (1) Industrial process (2) Fuel combustion (3) Transportation (4) Solid waste disposal

Description : The main source of carbon monoxide is (1) Industrial process (2) Fuel combustion (3) Transportation (4) Solid waste disposal

Last Answer : (3) Transportation Explanation: The main source of carbon monoxide is burning of fossil fuel

The main source of carbon monoxide is (1) Industrial process (2) Fuel combustion (3) Transportation (4) Solid waste disposal

Description : The main source of carbon monoxide is (1) Industrial process (2) Fuel combustion (3) Transportation (4) Solid waste disposal 

Last Answer : Transportation

Night photography and photopraphy in mist and fog are possible using – (1) ultra-violet radiation (2) infra-red radiation (3) microwave radiation (4) gamma radiation

Description : Night photography and photopraphy in mist and fog are possible using – (1) ultra-violet radiation (2) infra-red radiation (3) microwave radiation (4) gamma radiation

Last Answer : (2) infra-red radiation Explanation: Infrared is used in night vision equipment when there is insufficient visible light to see. Night vision devices operate through a process involving the ... then amplified by a chemical and electrical process and then converted back into visible light.

Night photography and photopraphy in mist and fog are possible using (1) ultra-violet radiation (2) infra-red radiation (3) microwave radiation (4) gamma radiation

Description : Night photography and photopraphy in mist and fog are possible using (1) ultra-violet radiation (2) infra-red radiation (3) microwave radiation (4) gamma radiation

Last Answer : infra-red radiation

A standard ice point temperature corresponds to the temperature of (a) water at 0°C (b) ice at - 4°C (c) mixture of ice, water and vapour under equilibrium conditions under NTP conditions (d) mixture of ice and water Under equilibrium conditions.

Description : A standard ice point temperature corresponds to the temperature of (a) water at 0°C (b) ice at - 4°C (c) mixture of ice, water and vapour under equilibrium conditions under NTP conditions (d) mixture of ice and water Under equilibrium conditions.

Last Answer : Ans: D

A mixture of ether and ….. Gives temperature as low as 163 K (1) NaC1 (2) Ice (3) Solid `CO_(2)` `C_(2)H_(5)OH`

Description : A mixture of ether and ….. Gives temperature as low as 163 K (1) NaC1 (2) Ice (3) Solid `CO_(2)` `C_(2)H_(5)OH`

Last Answer : A mixture of ether and .. Gives temperature as low as 163 K (1) NaC1 (2) Ice (3) Solid `CO_(2)` ... true but R is false D. A is false but R is true

The Green House Effect is caused by an excess of _____ A. Carbon dioxide B. Carbon monoxide C. Carbon tetrachloride D. None of the above

Description : The Green House Effect is caused by an excess of _____ A. Carbon dioxide B. Carbon monoxide C. Carbon tetrachloride D. None of the above

Last Answer : ANSWER: A

Transboundary pollution (or) Acid rain is caused by – (1) Carbon monoxide (2) Carbon dioxide (3) Hydrocarbon (4) Nitrogen oxide and sulphur dioxide

Description : Transboundary pollution (or) Acid rain is caused by – (1) Carbon monoxide (2) Carbon dioxide (3) Hydrocarbon (4) Nitrogen oxide and sulphur dioxide

Last Answer : (4) Nitrogen oxide and sulphur dioxide 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 ( ... dioxide and nitrogen oxide, which react with the water molecules in the atmosphere to produce acids.

Acid rain is caused by, the pollution of environment by - (1) carbon dioxide and nitrogen (2) carbon monoxide and carbon dioxide (3) ozone and carbon dioxide (4) nitrous oxide and sulphur dioxide

Description : Acid rain is caused by, the pollution of environment by - (1) carbon dioxide and nitrogen (2) carbon monoxide and carbon dioxide (3) ozone and carbon dioxide (4) nitrous oxide and sulphur dioxide

Last Answer : (1) carbon dioxide and nitrogen

Acid rain is caused by the pollution of environment by - (1) carbon dioxide and nitrogen (2) carbón monoxide and carbon dioxide (3) ozone and carbon dioxide (4) nitrous oxide and sulphur dioxide

Description : Acid rain is caused by the pollution of environment by - (1) carbon dioxide and nitrogen (2) carbón monoxide and carbon dioxide (3) ozone and carbon dioxide (4) nitrous oxide and sulphur dioxide

Last Answer : (4) nitrous oxide and sulphur dioxide

Acid rain is caused by the pollution of environment by – (1) Carbon monoxide and Carbon dioxide (2) Ozone and Carbon dioxide (3) Nitrous oxide and Sulphur dioxide (4) Carbon dioxide and Nitrogen

Description : Acid rain is caused by the pollution of environment by – (1) Carbon monoxide and Carbon dioxide (2) Ozone and Carbon dioxide (3) Nitrous oxide and Sulphur dioxide (4) Carbon dioxide and Nitrogen

Last Answer : (3) Nitrous oxide and Sulphur dioxide Explanation: Acid rain is caused by a chemical reaction that begins when compounds like sulfur dioxide and nitrogen oxides are released into the air. These substances ... acidic pollutants, known as acid rain. Human activities are the main cause of acid rain.

The Bhopal tragedy was caused by the gas - (1) phosgene (2) carbon monoxide (3) methyl isocyanate (4) chlorine

Description : The Bhopal tragedy was caused by the gas - (1) phosgene (2) carbon monoxide (3) methyl isocyanate (4) chlorine

Last Answer : (3) methyl isocyanate Explanation: The Bhopal disaster occurred on the night of 2-3 December 1984 at the Union Carbide India Limited (UCIL) pesticide plant in Bhopal, Madhya Pradesh. Over 500,000 people were exposed to methyl isocyanate gas and other chemicals.

The greenhouse effect is caused by the higher level of which gas in the atmosphere? (1) Carbon monoxide (2) Carbon dioxide (3) Nitrous oxide (4) Sulphur dioxide

Description : The greenhouse effect is caused by the higher level of which gas in the atmosphere? (1) Carbon monoxide (2) Carbon dioxide (3) Nitrous oxide (4) Sulphur dioxide

Last Answer : (2) Carbon dioxide Explanation: The greenhouse effect is a process by which thermal radiation from a planetary surface is absorbed by atmospheric greenhouse gases, and is re-radiated in all ... the absence of the gases. The environmental effects of carbon dioxide are of significant interest.

The Killer gas which caused Bhopal gas tragedy in 1984 was (A) Phosgene (B) Methyl isocyanate (MIC) (C) Carbon monoxide (D) Sulphur dioxide

Description : The Killer gas which caused Bhopal gas tragedy in 1984 was (A) Phosgene (B) Methyl isocyanate (MIC) (C) Carbon monoxide (D) Sulphur dioxide

Last Answer : (B) Methyl isocyanate (MIC)

Transboundary pollution (or) Acid rain is caused by : (1) Carbon monoxide (2) Carbon dioxide (3) Hydrocarbon (4) Nitrogen oxide and sulphur dioxide

Description : Transboundary pollution (or) Acid rain is caused by : (1) Carbon monoxide (2) Carbon dioxide (3) Hydrocarbon (4) Nitrogen oxide and sulphur dioxide 

Last Answer : Nitrogen oxide and sulphur dioxide

Acid rain is caused by the pollution of environment by (1) Carbon monoxide and Carbon dioxide (2) Ozone and Carbon dioxide (3) Nitrous oxide and Sulphur dioxide (4) Carbon dioxide and Nitrogen

Description : Acid rain is caused by the pollution of environment by (1) Carbon monoxide and Carbon dioxide (2) Ozone and Carbon dioxide (3) Nitrous oxide and Sulphur dioxide (4) Carbon dioxide and Nitrogen

Last Answer : Actually Yes it is  The place with low humidity with the salt mixture in the air   Like places which have coal Brun, High urban population with modern gas transportaion and near to the beach where ... Salt helps these gases to mix well and give acid rain Places like Vizag in Andhra Pradesh 

The Bhopal tragedy was caused by the gas (1) phosgene (2) carbon monoxide (3) methyl isocyanate (4) chlorine

Description : The Bhopal tragedy was caused by the gas (1) phosgene (2) carbon monoxide (3) methyl isocyanate (4) chlorine

Last Answer : methyl isocyanate

The greenhouse effect is caused by the higher level of which gas in the atmosphere ? (1) Carbon monoxide (2) Carbon dioxide (3) Nitrous oxide (4) Sulphur dioxide

Description : The greenhouse effect is caused by the higher level of which gas in the atmosphere ? (1) Carbon monoxide (2) Carbon dioxide (3) Nitrous oxide (4) Sulphur dioxide

Last Answer : Carbon dioxide

Greenhouse effect is caused by (1) nitrogen (2) carbon dioxide (3) carbon monoxide (4) nitrogen dioxide

Description : Greenhouse effect is caused by (1) nitrogen (2) carbon dioxide (3) carbon monoxide (4) nitrogen dioxide

Last Answer :  carbon dioxide

Why Solid CO2 is called Dry Ice ?

Description : Why Solid CO2 is called Dry Ice ?

Last Answer : Because carbon dioxide is like cold ice in solid state but ice melts but it does not melt. When melted, carbon dioxide escapes. The resulting residue remains dry and cool so it is called dry ice.

Why dry ice sublimating from a solid to a gas is a physical change?

Description : Why dry ice sublimating from a solid to a gas is a physical change?

Last Answer : Physical changes can be undone, and the substance undergoing thechange is still chemically the same thing. It is just in adifferent form.

Dry ice is a solid type of

Description : Dry ice is a solid type of

Last Answer : Carbon dioxide

Which gas in its solid state is known as dry ice?

Description : Which gas in its solid state is known as dry ice?

Last Answer : Carbon dioxide

Which of the following substances is an ionic netw solid? w) Diamond x) Table Salt y) Brass z) Dry ice

Description : Which of the following substances is an ionic netw solid? w) Diamond x) Table Salt y) Brass z) Dry ice

Last Answer : ANSWER: X -- TABLE SALT

When `PtE_(6)` vapour mixed with an equal volume of Xe, the gases combined immediatedly at room temperature and produces a yellow solid X at `66^(@)C`

Description : When `PtE_(6)` vapour mixed with an equal volume of Xe, the gases combined immediatedly at room temperature and produces a yellow solid X at `66^(@)C`

Last Answer : When `PtE_(6)` vapour mixed with an equal volume of Xe, the gases combined immediatedly at room temperature and produces ... ]^(+) [Pt_(2)F_(11)]^(-)`

The vapour pressure exerted by the moisture contained in a wet solid depends upon the (A) Nature of the moisture (B) Temperature (C) Nature of the solid (D) All (A), (B) and (C)

Description : The vapour pressure exerted by the moisture contained in a wet solid depends upon the (A) Nature of the moisture (B) Temperature (C) Nature of the solid (D) All (A), (B) and (C)

Last Answer : (D) All (A), (B) and (C)

Moisture in a solid exerting an equilibrium vapour pressure equal to that of the pure liquid at the same temperature is called the __________ moisture. (A) Unbound (B) Critical (C) Free (D) Bound

Description : Moisture in a solid exerting an equilibrium vapour pressure equal to that of the pure liquid at the same temperature is called the __________ moisture. (A) Unbound (B) Critical (C) Free (D) Bound

Last Answer : (A) Unbound

Any substance above its critical temperature exists as (A) Saturated vapour (B) Solid (C) Gas (D) Liquid

Description : Any substance above its critical temperature exists as (A) Saturated vapour (B) Solid (C) Gas (D) Liquid

Last Answer : (C) Gas

The dew point is the: a. Dry bulb temperature on a psychrometer b. Temperature at which water vapour will start to be absorbed into the air c. Temperature below which water vapour will start to condense out of the air d. Pressure below which water vapour will start to condense out of the air e. Temperature at which water will start to evaporate

Description : The dew point is the: a. Dry bulb temperature on a psychrometer b. Temperature at which water vapour will start to be absorbed into the air c. Temperature below which water vapour will start to ... vapour will start to condense out of the air e. Temperature at which water will start to evaporate

Last Answer : Answer: C

Relative humidity is a) the ratio of water vapour in the air compared to the total amount water vapour the air could contain at a given temperature b) equal to the dry bulb temperature divided by the wet bulb temperature c) equal to the wet bulb temperature divided by the dry bulb temperature d) the ratio of the mass of water vapour divided by the mass of dry air e) the ratio of the mass of water vapour divided by the mass of wet air

Description : Relative humidity is a) the ratio of water vapour in the air compared to the total amount water vapour the air could contain at a given temperature b) equal to the dry bulb temperature divided by the wet bulb ... of dry air e) the ratio of the mass of water vapour divided by the mass of wet air

Last Answer : ANSWER : A