Moisture is absorbed by

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Chandan Asked Sep 15, 2023

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NO is absorbed by ...

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Chandan Asked Sep 14, 2023

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A 20.0 cm3 mixture of CO, CH4 and He gases is exploded by an electric discharge at room temperature with excess of oxygen.

Chandan Asked Sep 14, 2023

by Chandan

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Chandan Asked Sep 12, 2023

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15 mL of a gaseous hydrocarbon required for complete combustion 357 mL air (containing 21% O2 by volume) and the gaseous products occupied 327 mL. What is the formula of the hydrocarbon?

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Chandan Asked Sep 12, 2023

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When 150 mL of ozonized oxygen was passed through a red hot tube, the volume increased by 10 mL. The percentage of ozone in the sample was :

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ALOK_RAJ Asked Sep 2, 2023

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50mL of ammonia was decomposed by a series of electric sparks and the volume after decomposition was 97mL.

ALOK_RAJ Asked Sep 2, 2023

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Chandan Asked Aug 8, 2023

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By passing silent electric discharge into 50mL of pure and dry oxygen gas, the volume of ozonized oxygen became 47mL.

Chandan Asked Aug 8, 2023

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Aayush Asked Jan 5

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What volume of CO2 at $27^{\circ} C$ and 700 mm pressure will be formed when 100mL of carbon monoxide at $127^{\circ} C$ and 725 mm is completely oxidized with oxygen gas?

Aayush Asked Jan 5

by Aayush

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Aayush Asked Jan 5

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A mixture of 20mL of methane and 30mL of oxygen is exploded. What is the volume after reaction and the composition of the resulting product? All the measurements are made under identical conditions.

Aayush Asked Jan 5

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Aayush Asked Jan 4

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100 mL of carbon monoxide are mixed with 40 mL of oxygen and exploded. If the resulting mixture is shaken with caustic potash, what volume of the gas will remain and what gas will it be?

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ALOK_RAJ Asked Nov 17, 2023

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NaOH is absorbent for

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ALOK_RAJ Asked Nov 17, 2023

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100 mL of PH3 when decomposed produced solid phosphorus and hydrogen. The change in volume is :

ALOK_RAJ Asked Nov 17, 2023

by ALOK_RAJ

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Chandan Asked Sep 14, 2023

117 views

Half a litre of CO2 is passed over red-hot carbon. The volume becomes 700 mL.

Chandan Asked Sep 14, 2023

by Chandan

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Chandan Asked Sep 12, 2023

188 views

100 mL of air containing only oxygen and nitrogen is taken in a jar over water. NO is slowly passed till more brown fumes appear in the gas jar. It is found that 42 mL of NO is required. The percentage nitrogen in the air would be:

Chandan Asked Sep 12, 2023

by Chandan

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188 Views

Chandan Asked Sep 12, 2023

119 views

20 mL of CO is exploded with 30 mL O2. The final volume of the gases is :

Chandan Asked Sep 12, 2023

by Chandan

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ALOK_RAJ Asked Sep 2, 2023

141 views

Volume of O2 required to burn 100 mL of C2H2 at STP is ....

ALOK_RAJ Asked Sep 2, 2023

by ALOK_RAJ

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ALOK_RAJ Asked May 7, 2022

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A mixture of 10 mL of H2 and 10 mL of O2 (under identical conditions) is exploded. The mixture after explosion consists of :

ALOK_RAJ Asked May 7, 2022

by ALOK_RAJ

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128 Views

Aayush Asked Jan 5

208 views

20mL of a gaseous hydrocarbon was exploded with excess of oxygen and the mixture cooled. There was a contraction of 40mL. On treatment with KOH, there was a further contraction of 40mL. Deduce the molecular formula of hydrocarbon.

Aayush Asked Jan 5

by Aayush

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Aayush Asked Jan 4

82 views

A sample of coal gas contains 45% hydrogen, 30% methane, 15% carbon monoxide and 10% acetylene. 100 vol. of this gas were mixed with 200 vol. of oxygen and exploded. Find the composition of the resulting mixture on cooling.

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Aayush Asked Jan 4

60 views

Calculate the volume of oxygen at STP to burn 20mL of acetylene at STP

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Chandan Asked Sep 12, 2023

59 views

8.40 mL. of a mixture of CO and C2H2 gases was mixed with 100 mL of oxygen in a eudiometer tube and fired.

Chandan Asked Sep 12, 2023

by Chandan

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Chandan Asked Sep 12, 2023

109 views

2 liters of carbon monoxide at STP will require for complete oxidation the following volume of oxygen at STP

Chandan Asked Sep 12, 2023

by Chandan

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109 Views

Chandan Asked Sep 12, 2023

146 views

The volume of oxygen required for complete combustion of 100 mL of ethane would be?

Chandan Asked Sep 12, 2023

by Chandan

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ALOK_RAJ Asked Sep 2, 2023

205 views

0.9g of a solid organic compound (mol. wt. 90) containing carbon, hydrogen, and oxygen was heated with oxygen corresponding to a volume of 224mL at STP

ALOK_RAJ Asked Sep 2, 2023

by ALOK_RAJ

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ALOK_RAJ Asked Sep 2, 2023

88 views

An organic compound CxH2yOy was burnt with twice the amount of oxygen needed for complete combustion to CO2 and H2O.

ALOK_RAJ Asked Sep 2, 2023

by ALOK_RAJ

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88 Views

ALOK_RAJ Asked Sep 2, 2023

134 views

A mixture of CO, CH4 and C2H6 measuring 10mL was mixed with 40 mL of oxygen and fired in a moist eudiometer tube.

ALOK_RAJ Asked Sep 2, 2023

by ALOK_RAJ

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ALOK_RAJ Asked Sep 2, 2023

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10mL of a mixture of CO2CH4 and nitrogen exploded with excess of oxygen gave a contraction of 6.5mL, there was a further contraction of 7mL when the residual gas was treated with caustic potash.

ALOK_RAJ Asked Sep 2, 2023

by ALOK_RAJ

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ALOK_RAJ Asked Sep 2, 2023

150 views

60mL of a mixture of CO and H2 yielded 20mL of CO2 after explosion with an excess of oxygen.

ALOK_RAJ Asked Sep 2, 2023

by ALOK_RAJ

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150 Views

Chandan Asked Aug 8, 2023

69 views

A mixture of methane and excess of oxygen was completely burnt and a contraction in 40 mL of volume was observed.

Chandan Asked Aug 8, 2023

by Chandan

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Chandan Asked Aug 8, 2023

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40 mL of a mixture of CO and H2 yielded 15 mL of CO2 after explosion with an excess of O2. The percentage of CO in the mixture would be:

Chandan Asked Aug 8, 2023

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Chandan Asked Aug 8, 2023

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To burn $C_xH_yO_z$, it required ...

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All hydrocarbon burnt to produce ...

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Eudiometry involves ...

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A gaseous mixture containing propane, C3H8 and an olefinic hydrocarbon occupied 12mL .

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A gaseous saturated hydrocarbon (aliphatic) was mixed with excess of oxygen.

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Chandan Asked Aug 8, 2023

165 views

Deduce the molecular formula of oxide of nitrogen from the following data:

Chandan Asked Aug 8, 2023

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