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Chemistry

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Lenore Murphy

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Cards in this guide (8)
Acid is correctly diluted with water by this method

adding acid to the water

The correct method of removing a glass stopper is to grasp it

between the secon and third finger

When reading the volume of fluid in a graduated cylinder the eye should be

Level with the bottom of the fluid's meniscus

Classify this property as homogenous or heterogenous Click on the correct answer

homogeneous

Consistent temperature can be achieved while heating a test tube by doing what

Consistent temperature can be achieved by heating a test tube while moving the test tube all around the flame. Do not let only one part of the test tube rest on a flame but instead, keep moving the test tube slowly.

Select the answer that correctly indicates the number of protons and electrons for this atom or ion Sulfide ion

16 protons and 18 electrons

What is the mass number of this element 82 pb

Mass number refers to a particular isotope of 82Pb.

The main reason for learning to correctly pour fluids in a laboratory is to conserve costly chemicals true or fasle

false

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