(A) Attracts other positive charge
(B) Repels the neutral charge
(C) Attracts a neutral charge
(D) Repels other positive charge
The index of refraction depends on?
(A) Focal length
(B) Speed of light
(C) Image distance
(D) Object distance
Atomic number of Copper is?
(A) 26
(B) 27
(C) 28
(D) 29
What is the atomic mass of sulphure?
(A) 31
(B) 32.06
(C) 33.36
(D) 40.595
Atomic number of Neon is?
(A) 8
(B) 9
(C) 10
(D) 11
Which of the following acid is present in Tamarind?
(A) Lactic acid
(B) Formic acid
(C) Tartaric acid
(D) Citric acid
‘s’ and ‘p’ block elements are called?
(A) Representative elements
(B) Outertransition elements
(C) Inner transition elements
(D) Zero group elements
the concept of four elements on earth was introduced by?
(A) Empedocles
(B) Al Kundi
(C) Bu Ali Sina
(D) Aristotle