(A) FeSO4
(B) Fe2O3
(C) Fe2O2
(D) Fe2N3
Butter is an example of solution?
(A) Gas in liquid
(B) Liquid in solid
(C) Solid in liquid
(D)
The number of elements in Sixth period is?
(A) 8
(B) 18
(C) 22
(D) 32
The elements which are present on the extreme left side of the periodic table are called?
(A) Halogen group
(B) Alkaline earth metals
(C) Noble gases
(D) Alkali Metals
M shell can accommodate number of electrons?
(A) 2
(B) 8
(C) 18
(D) 32
What is the empirical formula of Glucose?
(A) H2CO3
(B) CH
(C) CH2O
(D) HO
Mass number of an element is represented by?
(A) A
(B) Z
(C) K
(D) N
___ burns with brick red flame.
(A) Potassium
(B) Calcium
(C) Sodium
(D) Magnesium