MCQ
Platinum, palladium, iridium etc., are called noble metals because
- AAlfred Noble discovered them
- ✓They are inert towards many common reagents
- CThey are shining lustrous and pleasing to look at
- DThey are found in active state
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The above reaction is of zero order. Half life of this reaction is $50\,min$. The time taken for the concentration of $A$ to reduce to one-fourth of its initial value is $...........\min$(Nearest integer)
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