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Science test 3
Question | Answer |
---|---|
What number on the pH scale is neutral. | 7 |
What is the force that pulls everything down? | Gravity |
Metal + acid = ? | Salt + hydroxide |
Metal oxide + acid =? | Salt + water |
Metal hydroxide + acid =? | Salt + water |
Metal carbonate + acid =? | Salt + water + Carbon dioxide |
What is the formula for water? | H2O |
What is the formula for sodium hydroxide? | N a OH |
What is the formula for potassium hydroxide? | KOH |
What is the formula for lithium hydroxide? | LiOH |
What is the formula for Rubidium hydroxide? | Rb OH |
What numbers on the pH scale are acid? | 0 to 6 |
What numbers on the pH scale are alkaline? | Eight and above |
What couple of numbers on the pH scale could be strong acid? | 1 and 2 |
What number on the pH scale could be weak acid? | 6 |
What couple of numbers on the pH scale could be weak alkali? | 8 and 9 |
What does irritant mean? | When something gets on your skin and gets itchy. |
What does corrosive mean? | What is something corrodes it eats away at something. |