Q.
Want to Fund your own JEE / NEET / Foundation preparation ??
Take the SCORE scholarship exam from home and compete for scholarships worth ₹1 crore!*
An Intiative by Sri Chaitanya
a
Based on reactivity series, occurrence of certain elements takes place in native state
b
Due to the basic nature of oxides of alkaline earth metals, they combine with atmospheric acidic oxides giving salts
c
Based on reactivity series, occurrence of certain elements takes place in atomic state
d
extraction from minerals is more economical than ores
answer is A.
(Unlock A.I Detailed Solution for FREE)
Ready to Test Your Skills?
Check your Performance Today with our Free Mock Test used by Toppers!
Take Free Test
Detailed Solution
Watch 3-min video & get full concept clarity
