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mnsoomro
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Solution having the property of a very little change in pH on adding a small amount of strong acid or base is called________________?
A. buffer solution B. normal solution C. standard solution D. neutral solution Submitted by :- Jamil Ahmed
Which one of the following is a buffer solution ?
A. brine B. blood C. glue D. solution of CuSO4 Submitted by :- Jamil Ahmed
Equilibrium state is achieved quickly by the addition of ________________?
A. reactants B. acid C. base D. catalyst Submitted by :- Jamil Ahmed
By decreasing the pressure the reaction will go to that direction where_________________?
A. volume is decreased B. volume increased C. heat absorbed D. no. of moles of specie decreased Submitted by :-…
Solubility of any salt can be determined from_______________?
A. Ka B. Kb C. Kc D. Ksp Submitted by :- Jamil Ahmed
Residence time of methane in the atmosphere is___________________?
A. 3 – 7 days B. 2 -3 days C. 3 – 7 years D. 2 – 3 years Submitted…
Three elements needed for the healthy growth of plants are_________________?
A. N P K B. N K C C. N S P D. N Ca P Submitted by :- Jamil…
Which of the following is a macro nutrient ?
A. boron B. iron C. copper D. carbon Submitted by :- Jamil Ahmed
Ka<1-3 means______________?
A. Very strong base B. Very weak acid C. Very strong acid D. Very strong salt Submitted by :- Jamil…
Idea of pH and pOH was put forward by________________?
A. Gibbs B. Einstein C. Sorenson D. Chadwick Submitted by :- Jamil Ahmed