Molarity of pure water
Choose the right answer from following. The molarity of pure water is: (a) 55.6 (b) 5.56 (c)100 (d)18
What do you mean by the term hydra? Briefly define it.
The weight of pure NaOH needed to made 250cm3 of 0.1 N solution is: (a) 4g (b) 1g (c) 2g (d) 10g Choose the right answer from above.
Help me to solve this problem. 0.5 M of H2AO4 is diluted from 1 lire to 10 litre, normality of resulting solution is : (a)1 N (b) 0.1 N (c)10 N (d)11 N
what is molarity of a solution of hcl which contains 49% by weight of solute and whose specific gravity is 1.41
The shells of marine organisms contain calcium carbonate CaCO3, largely in a crystalline form known as calcite. There is a second crystalline form of calcium carbonate known as aragonite. Physical and thermodynamic properties of calcite and aragonite at 298
Karl Scheele, the Swedish chemist, was
During processing of food, several chemicals are added to it to augment its shelf life and to make it more attractive as well. Main types of food addi
If a electron is present in place of anion in a crystal lattice, then it is termed as: (a) Frenkel defect (b) Schottky defect (c) Interstitial defects (d) F-centre Answer: (d) When electrons are trapped in anion vacancies, thes
On passing H2S gas through a solution of Cu+ and Zn+2 ions, CuS is precipitated first because: (i) Solubility product of CuS is equal to the ionic product of ZnS (ii) Solubility product of CuS is equal to the solubility product o
What do you mean by the term medicine dropper? Explain briefly?
18,76,764
1924611 Asked
3,689
Active Tutors
1431603
Questions Answered
Start Excelling in your courses, Ask an Expert and get answers for your homework and assignments!!