`0. 012xx0. 15=` 0.8 (b) 0.08 0.008 (d) 0.0018

Find the square root of 0.0324. (a)1.8 (b)1.08 (c)0.018 (d)0.18

Calculate the concentration of K^(o+) (x) and Cl^(ɵ) (y) in a solution obtained by mixing 20 " mL of " 0.1 M NaCl , 30 " mL of " 0.2 M KCl, and 25 " mL of " 0.15 M KNO_3 and making the solution up to 100 mL. (a). x=0.06,y=0.0375 (b). x=0.0975, y=0.08 (c). x=0.08,y=0.08 (d). x=0.08,y=0.0375

0.012-:1.5=?0.8(b)0.080.008(d) none of these

0.09 xx 0.008 = ?

(0.2 xx 0.2 xx 0.2 ) (0.06 xx 0.06 xx 0.06) ÷ (0.12 xx 0.12 xx 0.12) =? A . 0.008 B . 0.001 C. 0.002 D. 0.006

0.012 div 0.15 = ?

(0.1 xx 0.1 xx 0.1 + 0.04 xx 0.04 xx 0.04) div (0.2 xx 0.2 xx 0.2 + 0.08 xx 0.08 xx 0.08) = _________

A study was conducted to find out the concentration of sulphur dioxide in the air in parts per million (ppm) of a certain city. The data obtained for 30 days is as follows: 0.03 0.08 0.08 0.09 0.04 0.17 0.16 0.05 0.02 0.06 0.18 0.20 0.11 0.08 0.12 0.13 0.22 0.07 0.08 0.01 0.10 0.06 0.09 0.18 0.11 0.07 0.05 0.07 0.01 0.04 (i) Make a grouped frequency distribution table for this data with class intervals as 0.00 - 0.04, 0.04 - 0.08, and so on. (ii) For how many days, was the concentration of sulphur dioxide more than 0.11 parts per million?

A study was conducted to find out the concentration of sulphur dioxide in the air i n parts per million (ppm) of a certain city. The data obtained for 30 days is as follows: 0.03 0.08 0.08 0.09 0.04 0.17 0.16 0.05 0.02 0.06 0.18 0.20 0.11 0.08 0.12 0.13 0.22 0.07 0.08 0.01 0.10 0.06 0.09 0.18 0.11 0.07 0.05 0.07 0.01 0.04 Make a grouped frequency distribution table for this data with class intervals as 0.00-0.04, 0.04-0.08, and so on.