ATQ, 1/(w + 20) + 1/(w + 44) = 1/35 35(w + 20 + w + 44) = (w + 20)(w + 44) 70w + 2240 = w2 + 64w + 880 w2 – 6w – 1360 = 0 Solving above equation we get w = 40
A mixture of carbon monoxide and hydrogen is known as ______
Which metal remains liquid at room temperature?
The force of attraction between the particles of matter is maximum in______.
In which form is iron ore primarily found in nature?
Which chemical compound is commonly known as Pearl Ash?
Biofertilizers convert nitrogen to:
In the periodic table of elements, what happens to the atomic radius as you move from left to right across a period?
The common name of hydrogen peroxide is:
The colour of neutral litmus solution is
Turquoise is an ore/mineral of:
