-
mnsoomro
Posts
Which one of the following aqueous solutions will be basic ?
A. NaCI B. Na2SO4 C. Na2CO3 D. FeCl3 Submitted by :- Jamil Ahmed
For a reaction involving only gases at 25?C the equilibrium constant can be expressed in terms of molarity Ke or partial pressure Kp. Which is true about the numerical value of Kp ?
A. Kc is generally greaer than Kp B. Kc is generally less than Kp C. Kc is generally equal to…
Which of the following will not change the concentration of ammonia at the equilibrium ?
A. Increase of pressure B. Increase of volume C. Addition of catalyst D. Decrease of temperature Submitted by :- Jamil…
If a buffer solution of higher pH than seven is to be made we use__________?
A. Strong acid and strong base B. Weak acid and strong base C. Weak acid and strong base D. Weak…
The gases become non-ideal at ________________?
A. High temperature and high pressure B. Low temperature and low pressure C. High temperature and low pressure D. Low…
Who made volume and pressure correction to explain deviation of gases from ideal behavior ?
A. Clausius B. Boltzman C. Charles D. Vander waal Submitted by :- Jamil Ahmed
What do we call to sudden expansion of plasma ?
A. Avogadro’s law B. Grahams law of diffusion C. Joule Thompson effect D. Daltons law of partial pressure Submitted by…
Addition of CH3COOH and CH3COONa gives in water_______________?
A. Standard solution B. buffer solution C. acidic buffer solution D. both B & C Submitted by :- Jamil Ahmed
Any substance which accepts H+ is base favours the concept___________________?
A. Lowrys B. Lewis C. Arrhenius D. None of these Submitted by :- Jamil Ahmed
Negative log of molar concentration of H+ ions is called___________________?
A. pH B. pOH C. pKa D. pKw Submitted by :- Jamil Ahmed