std 8 gujarati ch 10 swadhyay , dhoran 8 gujarati ch 10 swadhyay , ધોરણ 8 ગુજરાતી પાઠ 10 સ્વાધ્યાય

HW- 8 || 10 || Errors

What is the pH of 7.0 xx 10^(-8)M acetic acid. What is the concentration of un-ionsed acetic acid. K_(a) of CH_(3)COOH = 1.8 xx 10^(-5) .

Determine the greatest 3 -digit number exactly divisible by 8,10 and 12. and 6,8 and 10

Which of the following are co-primes? 8, 10 (b) 9, 10 (c) 6, 8 (d) 15, 18

If 10 persons can clean 10 floors by 10 mops in 10 days, in how many days can 8 persons clean 8 floors by 8 mops?

Find the ratio in which the line segment joining the points (4,8,10) and (6,10,-8) is divided by the YZ -plane.

A grocer buys eggs at 10 for Rs8 and sells at 8 for Rs 10. Find his gain or loss percent.

Four charges 10^(-8), -2 xx 10^(8), +3xx10^(-8) and 2xx10^(-8) coulomb are placed at the four corners of a square of side 1m the potential at the centre of the square is

R is a relation from {11, 12, 13} to {8, 10, 12} defined by y=x-3 . Then, R^(-1) is (a) {(8, 11), (10, 13)} (b) {(11, 8), (13, 10)} (c) {(10, 13), (8, 11), (8, 10)} (d) none of these