If there is a fire in the laboratory what are the right steps that should be taken? a. Use fire extinguishers to put out the fire b. Wait for someone to come c. Shut off the gas and electricity only if you know how to; close the doors; exit the building; pull fire alarm (located by each exit) on the ... Read more

In the event a chemical spill (such as an acid or base gets into your eyes or on your skin), what should you do? a. Immediately rinse affected area in running water for 15 minutes and get a cold shower if needed b. Report to Public Safety c. Run to get health services Read more

When diluting an acid with water, always remember to: a. Pour water into acid b. Pour acid into water c. Add both at the same time Read more

Is it permissible to have any drink or food in the laboratory? a. Yes b. Never! There is no eating, no drinking, and no smoking permitted in the labs. c. Water only Read more

Can open-toed or open-heeled shoes be worn in the lab? a. Yes b. Never c. May be Read more

When working in the laboratory with chemicals, what personal protective equipment (PPE) should be worn at all time? a. Always wear goggles and lab coats. Gloves should also be worn when needed b. Goggles only c. None of the above Read more

There are several kinds of " Heat of reaction " , Write 2 examples of them Read more

Hydrated salt ( CaSO4.2H2O ) is named by old methode as Calcium sulfate di hydrate Calcium sulfate di water Calcium sulfate -2- hydrate Calcium sulfate -2- water Read more

Which one of the following equations is correct to calculate the moles PR = nVT RT = nPV nTR = PV VT = nRP Read more

The melting point temperature range of Pure Urea will be 3oC - 9oC Less than 5oC Liquid under 170 oC Between 120 oC to 135 oC Read more