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Start learning 50% faster. Sign in nowCaCO3+ 2HCl = H2O + CO2(g) +Ca2++ 2Cl- Calcareous soil that contains enough freecalcium carbonateto effervesce visibly, releasing carbon-dioxide gas, when treated with cold 0.1Nhydrochloric acid,
In an examination, the average marks obtained by the students is 40. After correcting the quantitative mistakes, the average of 60 students is reduced ...
Average of 8 numbers is 80. If average of first four and last two numbers is 80 and 60, respectively then find the fifth number given that ratio of fift...
A company produces 3 types of items A, B, and C. The cost of producing A is ₹200, B is ₹300, and C is ₹500. If the company produces 400 units of A...
A number is such that when it is multiplied by 4, it gives another number which is as much above from 180 as the original number (itself) is below 180. ...
The average of n numbers is 60. If each of 55% of the numbers is increased by 12 and each of the remaining numbers is decreased by 12, then the n...
Find the average of the following sets of numbers.
693, 456, 876, 532, 934, 691, 596, 398, 682
In an examination, the average marks obtained by the students is 80. After correcting the quantitative mistakes, the average of 90 students is reduced t...