A student measured the pH values of four solutions A, B, C and D which were found to be 4, 1, 13 and 11 respectively. Which of the following statements are correct about these solutions ?(a) A is strong acid and B is weak acid(b) B is strong acid and D is weak base(c) D is strong base and C is weak base(d) C is strong base and A is weak acid(1) (a) and (b) (2) (b) and (c) (3) (c) and (d) (4) (b) and (d)

A student measured the pH values of four solutions A, B, C and D which

1.	A student measured the pH values of four solutions A, B, C and D which were found to be 4, 1, 13 and 11 respectively. Which of the following statements are correct about these solutions ?(a) A is strong acid and B is weak acid(b) B is strong acid and D is weak base(c) D is strong base and C is weak base(d) C is strong base and A is weak acid(1) (a) and (b) (2) (b) and (c) (3) (c) and (d) (4) (b) and (d)
Answer» A student measured the pH values of four solutions A, B, C and D which were found to be 4, 1, 13 and 11 respectively. Which of the following statements are correct about these solutions ? (a) A is strong acid and B is weak acid (b) B is strong acid and D is weak base (c) D is strong base and C is weak base (d) C is strong base and A is weak acid (1) (a) and (b) (2) (b) and (c) (3) (c) and (d) (4) (b) and (d)