If l || m, then solve for ‘x’ and give reasons.

Will the pH values of 0.1(M) HCl and 0.1(M) CH_3COOH solutions be the same or different? Give reason.

In a sonometer, two adjacent wires of the same material are stretched under the same tension. The first wire is thicker than the other. The corresponding frequencies of length l_(1) and l_(2) of the sonometer wires are in unison with a tuning fork. Which of the following is correct ? Give reasons. (i) l_(1) = l_(2) (ii) l_(1) lt l_(2) (iii) l_(1) gt l_(2)

Does log_(2)0 exist ? Give reason .

Which of the following are buffer solutions? Give reason. 100 mL 0.1(M)CH_(3)COOH+100mL0.15(M)NaOH

Which of the following are buffer solutions? Give reason. 100 mL 0.1 (M) NH_(3)+50mL.0.1(M)HCl

Which of the following are buffer solutions? Give reason. 100 mL 0.1 (M) CH_(3)COOH+50mL0.2(M)NaOH

Which of the following are buffer solutions? Give reason. 50 mL 0.2(M)NH_(4)Cl+50mL0.1(M)NaOH .

Which of the following are buffer solutions? Give reason. 100 mL 0.1 (M)CH_(3)COONa+25mL0.1(M)HCl

Which of the sets of the following sets are null sets? Give reasons infavour of your answers: P={ x : x in R and x^2+1=0 }

Which of the sets of the following sets are null sets? Give reasons infavour of your answers: Q={ x:2x+8=0 and x in N }