3 years ago

What is the Hazard of Silicon?

1 answer:

6 0

Answer:

Silicon dust has little adverse affect on lungs and does not appear to produce significant organic disease or toxic effects when exposures are kept beneath exposure limits. Silicon may cause chronic respiratory effects. Crystalline silica (silicon dioxide) is a potent respiratory hazard.

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ZanzabumX [31]

Answer:

Is the fixed number of water molecules present in one formula unit of a substance

Explanation:

When copper sulphate is heated in a china dish, the blue colomed crystal changes to a white powder due to the removal of molecules of water of crystallization

6 0

2 years ago

Which layer of Earth is responsible for the movement of tectonic plates?

vesna_86 [32]

Convection currents in the mantle are what causes the movement of tectonic plates. As the extremely hot molten material from the mantle rises toward the crust, it cools enough to become denser and sink back into the hotter area of the mantle.

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2 years ago

Chemically combined substances, such as CO2, NH3, and H20 are called.....

Alex787 [66]

It is d. compounds because they have more than one element.

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2 years ago

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What does it mean if you titrated the acid to a 'hot pink' color All of these

Murrr4er [49]

Answer: Too much base was added

i guessed