| Front | What is the charge of a neutron? |
| Back | Neutral |
| Tags | chem_paper_1 chem_topic_1 |
| Front | How is nickel used as a catalyst? |
| Back | Nickel is used in the production of margerine. |
| Tags | metal |
| Front | How do we test for cations? |
| Back | Flame tests or precipitation reactions. |
| Tags | metal periodic_table |