What is the temperature required in presence of molybdenum and iron for nitrogen to combine with hydrogen?

What do you think the hydrogen economy involves?

H+ Ion exist freely.

Nickel and chromium actors a catalyst in case of hydrogen production from hydrocarbons.

What is sodium zincate made of?

Reduction occurs at the anode.

Which of the following is a method of removing temporary hardness?

The atomic number of hydrogen is 1.