Question

which symbol in a chemical equation separates the reactants from the products? = → δ +

Explanation:

In a chemical equation, the symbol that separates reactants (on the left) from products (on the right) is typically an arrow ($
ightarrow$) or an equals sign in some notations, but the "=" here is used to represent the reaction occurring (though the standard is an arrow, but among the options, "=" is the one that functions to separate reactants and products in the context of balancing or representing the equation, while "↑" is for gas, the triangle over a line is for heat, and "+" is for combining reactants). Wait, actually, the correct symbol to separate reactants and products in a chemical equation is the arrow ($
ightarrow$) or sometimes "=" in some simplified notations. But looking at the options, the first option is "=", which is used to denote the reaction (reactants = products in terms of conservation, and separates them). The "↑" is for a gaseous product, the triangle with a line is for heating, and "+" is for adding reactants. So the correct one is "=".

Answer:

A. =