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Home /Doubts and Solutions/NEET/Chemistry/Some Basic Concepts In Chemistry

Some Basic Concepts In Chemistry Free Doubts and Solutions

NEET - NEET - Chemistry - Some Basic Concepts in Chemistry

1 g mixture of CaCO3 and NaCl reacts completely with 100 ml of N/10 HCl. The % of CaCO3 in the mixture is-(1) 40%, (2)60%, (3) 50%, (4) 80%. Also mention which is to be taken as Solute, HCl or CaCO3??

Asked by patra04011965 7th August 2019, 8:57 PM
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NEET - NEET - Chemistry - Some Basic Concepts in Chemistry

How would you make up 425ml of 0.15M HNO3 from nitric acid that is 68% HNO3 ? The density of 68% HNO3 is 1.41g/ml.

Asked by kumar19raj98 25th July 2019, 10:41 PM
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NEET - NEET - Chemistry - Some Basic Concepts in Chemistry

A and B are ideal gases . The molecular weights of A and B are in the ratio of 1:4.The pressure of a gas mixture containing equal weights of A and B is p atm . What is the partial pressure (in atm ) of B in the mixture. (a)p/5 (b)p/2 (c)p/2.5 (d)3p/4

Asked by Balbir 21st July 2019, 1:39 PM
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NEET - NEET - Chemistry - Some Basic Concepts in Chemistry

mole concept

Asked by pradeepthakur8969 28th June 2019, 1:27 PM
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NEET - NEET - Chemistry - Some Basic Concepts in Chemistry

Number of atoms in 1ml of ammonia gas at STP is??

Asked by Anjalimanoj207 19th June 2019, 12:35 PM
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NEET - NEET - Chemistry - Some Basic Concepts in Chemistry

the volume of 0.5 molars NaOH solution required for complete neutralization of 3.65 gram HCl is  

Asked by kushagra28feb 13th June 2019, 10:09 PM
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NEET - NEET - Chemistry - Some Basic Concepts in Chemistry

122.5 g of h2so4 are dissolved in water to make 1250 ml of solution. the concentration in normality is 

Asked by Roopam 12th June 2019, 5:39 PM
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NEET - NEET - Chemistry - Some Basic Concepts in Chemistry

Q128  Ans1

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Asked by manasvijha 24th April 2019, 9:23 AM
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