Name a catalyst and a promoter which is used for preparing nitrogen gas. If answer is right ,, I will mark as brainillist,,so give the right answer

This question is about electrolysis. metal spoons can be coated with silver. this is called electroplating. suggest one reason why spoons are electroplated?

What royal scientist used the 29th day of frozen vapor to encounter elements for mastering new culinary creations?

What effect does a decrease in temperature have on the overall rate of a chemical reaction? a decrease in temperature decreases . the reaction rate will