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Which statement is true about sodium chloride (NaCl) ? It is a salt because it decreases the concentration of metallic ions. It is an acid because it is formed by the reaction of a salt and an acid.

Technician A says that a leaking head gasket can be tested for by using a chemical tester. Technician B says that a leaking head gasket can be found using an exhaust gas analyzer. Who is correct?

Which term represents a type of nuclear reaction? a) condensation b) vaporization c) single replacement d) natural transmutation

A voltaic cell spontaneously converts1) electrical energy to chemical energy (2) chemical energy to electrical energy (3) electrical energy to nuclear energy (4) nuclear energy to electrical energy

Suppose 12.0 g of carbon (c) reacts with 70.0 g of sulfur (s) to give 76.0 g of the compound carbon disulfide 1 c s 2 2. In the process, all the carb

Which statememt describes gravity? Select three options

Unlike solids, gases can

The Doppler effect changes the A) Frequency due to motion B) Speed of sound due to motion C) Speed of light due to motion D) Radar waves in a police car

How many isomers does propane have? 2 6 3 5

Calculate the mass of solid ammonium chloride required to mix with 100 ml of 1.0m ammonia to prepare a 9.25 ph buffer