Question
Crop yields has dropped and the soil has turned acidic
as the consequence of overuse of synthetic fertilisers. The process of neutralizing acidic soil by the addition of calcium hydroxide is known as _________Solution
·      To neutralize acidic soils, calcium hydroxide, ammonium sulphate, limestone, Hydrated lime etc. are added to the soil.
An integer with positive sign (+) is always greater than
The greatest number of four digits which is divisible by 15, 25, 40 and 75 is
- In a class, the ratio of boys to girls present is 4:3. The number of girls who are absent is 21 which is 30% of the total number of students. If all boys a...
Find the number of factors of 80?
Find the remainder when the number (289n + 147) is divided by 17.
In a school, girls constitute 45% of the total strength of the school. Out of total number of students, 20% students were selected for annual sports com...
A, B and C hired a taxi for Rs. 880 and used it for 2, 4, 5 hours respectively. Hiring charges paid by B are:
Some pencils were distributed among (x + 2) students such that each student received 10 pencils. If there had been 5 students more, then pencils receive...
- What will be the number of factors of 1707552?
Three distinct prime numbers 'p', 'q', and 'r' satisfy (p < q < r). The sum of 'p' and 'q' is 20, and the sum of 'q' and 'r' is 30. Calculate the total ...
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