Question
Which chemical is commonly used in the
tertiary treatment process for phosphorus removal?Solution
Aluminium sulfate (Alum) is often used in the chemical precipitation process to remove phosphorus by forming an insoluble precipitate called aluminium phosphate.
1254.04 – 440.18 + 399.98 ÷ 10.06 = ?
(25.032% of 48.05) X 9.32 + 43.125 X 3.125 - 29.67 =?
What approximate value will come in place of the question mark (?) in the following question? (Note: You are not expected to calculate the exact value.)...
What approximate value will come in place of the question mark (?) in the following question? (Note: You are not expected to calculate the exact value.)...
?% of 399.97 = 11.982 + 16.13 × 4.16 – 35.99
(0.89 3 + 1.64 3 +2.76 3 ) ÷ 5.89 = ?
If cosec (2A + B) = (2/√3) and cosec (A + B) = √2, find the value of (4A - B) .
(100.01% of 44.89) ÷ 14.98 = √? - √48.98
√1024.21 × √624.89 ÷ 4.98 + 11.99 × 4.01 = ?
What approximate value will come in place of the question mark (?) in the following question? (Note: You are not expected to calculate the exact value.)...
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