Quick equation picks

Exercise and reference answers

Questions

1. Question

   H2 + Cl2 gives

   Choices

   1. HCl2
   2. H2Cl
   3. 2HCl

   Correct choice

   2HCl

2. Question

   The law behind balancing

   Choices

   1. Conservation of mass
   2. Gravitation
   3. Boyle's law

   Correct choice

   Conservation of mass

3. Question

   An unbalanced equation is called

   Choices

   1. word
   2. skeletal
   3. complete

   Correct choice

   skeletal

4. Question

   Formulae make equations more

   Choices

   1. longer
   2. wrong
   3. concise

   Correct choice

   concise

Instructions

Pick the right answer before the next one arrives.

Explanation