Knockout JEE Main April 2021 (One Month)
Personalized AI Tutor and Adaptive Time Table,
Self Study Material,
Weekend Live Classes,
Mentorship from our Experts,
Unlimited Mock Tests and Personalized Analysis Reports,
24x7 Doubt Chat Support,.
₹ 14000/-
₹ 4999/-
Buy Now
Knockout NEET Aug 2021 (One Month)
Personalized AI Tutor and Adaptive Time Table,
Self Study Material,
Weekend Live Classes,
Mentorship from our Experts,
Unlimited Mock Tests and Personalized Analysis Reports,
24x7 Doubt Chat Support,.
₹ 14000/-
₹ 4999/-
Buy Now
Knockout JEE Main May 2021
Personalized AI Tutor and Adaptive Time Table,
Self Study Material,
Weekend Live Classes,
Mentorship from our Experts,
Unlimited Mock Tests and Personalized Analysis Reports,
24x7 Doubt Chat Support,.
₹ 22999/-
₹ 9999/-
Buy Now
Knockout NEET Aug 2021
Personalized AI Tutor and Adaptive Time Table,
Self Study Material,
Weekend Live Classes,
Mentorship from our Experts,
Unlimited Mock Tests and Personalized Analysis Reports,
24x7 Doubt Chat Support,.
₹ 22999/-
₹ 9999/-
Buy Now
Test Series JEE Main May 2021
Unlimited Chapter Wise Tests,
Unlimited Subject Wise Tests,
Unlimited Full Mock Tests,
Get Personalized Performance Analysis Report,.
₹ 6999/-
₹ 2999/-
Buy Now
Silver becomes black because of hydrogen sulfide (sulfur), a substance that occurs in the air. When silver comes into contact with it, a chemical reaction takes place and a black layer is formed. Silver oxidizes faster in places with a lot of light and high humidity.