Search
.Management Sciences
Category: Chemistry Mcqs
Cement is a mixture of so many compounds roasted in rotary kiln. Which substances has greater percentage ?
0
A. Lime (CaO)
B. Silica (SiO2)
C. Alumina (Al2O3)
D. Magnesia (MgO)
A solution has pH = 0 its H+ ion concentration is__________________?
A. 1 x 10-1
B. 1 x 10-14
C. 1 x 10-7
D. 1
The relationship between energy of a photon of light and its frequency is given by________________?
A. de-Broglie duel nature of matter
B. Bohrs model
C. Plancks Quantum theory
D. Rutherfords atomic model
Which of the following statements is true about plasma________________?
A. It may be the first state of matter
B. It is not a phase transition
C. It is a conductor of electricity
D. All of the above
Which state of matter has the lowest density ?
A. Gas
B. Liquid
C. Solid
D. Plasma
Solution with maximum concentration of solute at given temperature is called________________?
A. Super saturated solution
B. unsaturated solution
C. saturated solution
D. dilute solution
The organic acid that does not has COOH group is___________________?
A. phthalic acid
B. carbolic acid
C. Maleic acid
D. Succinic acid
Which of the elements do not fall in stair case of the modern periodic table__________________?
A. Si
B. As
C. Te
D. None of the above
Recent Comments