The process or method , by which a magnet loses its power , is called…………………… ..
But in the blank above the answer only a word plzzz

Hydrogenation reactions, in which h2 and an "unsaturated" organic compound combine, are used in the food, fuel, and polymer industries. in the simplest case, ethene (c2h4) and h2 form ethane (c2h6). if 140 kj is given off per mole of c2h4 reacting, how much heat (in mj) is released when 12 kg of c2h6 forms?

Δu of , in kj/kg, as it isto k, (a)as a of , (b) at , (c) at .

The bone of a dinosaur and the imprint of a leaf are examples of which kind of fossils? a) index b) body c) amber d) trace