ICSE X Chemistry Mole Concept and Stoichiometry
A sample of coal gas contained 45% H2, 30% CH4, 20% CO and 5%C2H2 by Volume. 100 cm3 of this gaseous mixture was mixed with 190 cm3 of oxygen and exploded. Calculate the volume and composition of the mixture when cooled to room temperature and pressure
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21st June 2018
7:57 AM
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ICSE X Chemistry Mole Concept and Stoichiometry
Zn+4HNO3 gives Zn[NO3]2+2H2O+2NO2 ANSWER THE FOLLOWING QUESTION : 1 The volume of NO2 formed at 19.5 g of Zn 2 The no of moles of HNO3 taking part in the reaction 3 The no of molecules of H2O formed 4 what mass of HNO3 is required to produce 145.6L of NO2 at S.T.P
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15th August 2018
12:16 AM
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CBSE XI Science Chemistry Some Basic Concepts of Chemistry
A gas mixture of 3 litres of propane and butane on complete combustion at 25'C produced 10 litres of CO2 initial composition of propane and butane in the gas mixture is?
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18th August 2018
8:34 PM
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CBSE XII Science Chemistry Solutions
how many ml of 0.1M HCL are required to react completely with 1g mixture of and NaHCO3 containing equimolar amounts of both?
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18th September 2018
4:22 PM
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CBSE XI Science Chemistry Some Basic Concepts of Chemistry
1 L of CO2 is passed through red hot Coke. The volume becomes 1.4 L at STP. What is composition of products?
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23rd September 2018
11:26 AM
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ICSE X Chemistry Mole Concept and Stoichiometry
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12th February 2019
7:53 PM
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ICSE X Chemistry Mole Concept and Stoichiometry
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Asked by bpradeksha
12th February 2019
7:54 PM
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CBSE XI Science Chemistry Some Basic Concepts of Chemistry
0.25gm of an organic compound in kjeldahl's method ,produced ammonia gas which was absorbed by 25ml of 0.5M H2SO4 . The residual acid required 30ml of 0.5M NaOH for complete neutralisation . find the percentage composition of nitrogen in the organic compound
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16th March 2019
8:58 PM
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JEE Main Chemistry States of Matter
Sir plz solve it step by step ,U may leave part (b) but plz solve explaining part(a)
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8th August 2019
10:21 AM
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CBSE XI Science Chemistry Some Basic Concepts of Chemistry
Calculate the mass of potassium chlorate required to liberate 6.72dmcube of oxygen at step.Molar mass of potassium chlorate is 122.5g mol inverse Ans.24.5g
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10th August 2019
12:00 AM
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CBSE XI Science Maths Relations and Functions
If f(x) = ex and g(x) = loge x then the value of fog(1) is
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24th July 2021
7:39 AM
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