Jupiter is the biggest planet in are solar system
Because flame provides a source of heat so that the magnesium metal atoms can overcome their activation energy. Activation energy is the minimum energy required in order for a chemical reaction to proceed. When the magnesium metal burns it reacts with oxygen found in the air to form Magnesium Oxide.
Polysaccharides, that allow sugar to polymerize
Depends on the situation. If the nucleophile is already in excess, then no the reaction will not occur faster
