How many litres of water will have to be added to 1125 litres of the 45% solution of acid so that the resulting mixture will contain more than 25% but less than 30% acid content?
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1 Answers 1 viewsSolution : A container can measure 616 liters of petrol an exact number of times if its capacity in liters is a divisor of 616. Also to measure 32 liters of petrol...
1 Answers 1 views(d) starch,is the correct option.
1 Answers 1 viewsHere, h = 25 cm, 2πr = 132 cm. 2πr = 132 ⇒ 2 × 22/ 7 × r = 132 ⇒ r = 132x 7/ 2 x 22 cm = 21...
1 Answers 1 viewsSolution: HCF(850, 680) will give the maximum capacity of container. 850 = 680 x 1 + 170 680 = 170 x 4 + 0 So, HCF (850, 680) = 170 Therefore, the maximum capacity of a container...
1 Answers 2 views2 moles because 2 Cl- ions are present as counter ion in the complex.
1 Answers 1 viewspure water is a bad conductor of electricity. By adding a few drops of sulphuric acid, it becomes a good conductor of electricity
1 Answers 1 views(a) Put the red litmus paper turn by turn in each of the three test tubes. The solution which turns the red litmus paper to blue will be a basic...
1 Answers 2 viewsQuantity of oil A = 120 liters Quantity of oil B = 180liters Quantity of oil C = 240liters We want to fill oils A, B and C in tins of the same...
1 Answers 1 views(C) The flame extinguishes and the gas does not burn.
1 Answers 1 views