Q: Lead shielding is used to block what type of rays? Choices: - ultraviolet - alpha - toxic - gamma A:
gamma

Q: What is the unit of liquid measurement in the metric system? Choices: - pint - gallon - cylinder - liter A:
liter

Q: What is sulfur trioxide dissolved in to form sulfuric acid? Choices: - silver - mercury - lead - water A:
water