MHT CET questions
29293 published questions with worked solutions.
- If 20% nitrogen is present in a compound, it's minimum molecular weight will be:
- A sample of a mixture of CaCl_2 and NaCl weighing 4.22 g was treated to precipitate all the Ca as CaCO_3 . This CaCO_3 is then...
- Dissolving 120 g of urea (mol.wt.60) in 1000 g of water gave a solution of density 1.15 g/mL. The molarity of the solution is:
- The number of atoms in 3.2 g of oxygen gas are:
- A solution contains Na_2CO_3 and NaHCO_3 . 10 mL of the solution required 2.5 mL of 0.1 M H_2SO_4 for neutralization using...
- The molality of 15% (wt./vol.) solution of H_2SO_4 of density 1.1 g/cm^3 is approximately:
- The number of moles of water present in 90 g of a water is:
- An aqueous solution of 6.3 g oxalic acid dihydrate is made up to 250 mL. The volume of 0.1 N NaOH required to completely...
- To neutralise completely 20 mL of 0.1 M aqueous solution of phosphorous acid ( H_3PO_3 ), the volume of 0.1 M aqueous KOH...
- One g of a mixture of Na_2CO_3 and NaHCO_3 consumes y equivalent of HCl for complete neutralisation. One g of the mixture is...
- The number of milli equivalent contained in 0.5 litre of 0.2 N solution is:
- The oxide of a metal contains 60 % of the metal. What will be the percentage of bromine in the bromide of the metal, if the...
- In the aqueous solution of sulphuric acid the mole fraction of water is 0.85. the molality of the solution is :
- The concentration of solution containing 0.5 mole H_3PO_4 dissolved in 500 g water:
- The normality of 0.3 M phosphorous acid ( H_3PO_3 ) is :
- To prepare a standard solution of a substance, we use:
- The term atom molecule were introduced by:
- 1.60 g of a metal were dissolved in HNO_3 to prepare its nitrate. The nitrate on strong heating gives 2 g oxide. The equivalent...
- If one mole of H_2SO_4 reacts with an excess of NaOH, how many moles of water are formed?
- 1.0 g of hydrogen contains 6 10^ 23 atoms. The atomic weight of helium is 4. If follows that the number of atoms in 1 g of He is: