(A) KNO3
(B) KCL
(C) NaNO3
(D) NaCl
___ is not an amorphous solid?
(A) Glass
(B) Rubber
(C) Plastic
(D) Glucose
Which compound is not soluble in water?
(A) NaCl
(B) C6H6
(C) KBr
(D) MgCl2
Mendeleeve’s periodic table was based upon the?
(A) Electronic configuration
(B) Atomic number
(C) Atomic mass
(D) Completion of sub shell
Highest electronegative element is?
(A) Chlorine
(B) Fluorine
(C) Bromine
(D) Iodine
What is the mass of a proton?
(A) 1.0073 amu
(B) 1.0087 amu
(C) 5.486×10-4 amu
(D) 6.486 amu
Metals can form ions carrying charges?
(A) Uni-Positive
(B) Di-Positive
(C) Tri-Positive
(D) All are correct
Nelson’s cell is used to prepare caustic soda along with gases. Which gas is produced at the cathode?
(A) Cl2
(B) H2
(C) O3
(D) O2