Answer: Assume that the substance is hazardous. Always wear appropriate PPE and take steps to prevent contact.
Explanation:
When working with chemicals, a sound safety policy involving the use of chemicals should be established and maintained. This will help in safeguarding lives, properties and the environment.
The best safety approach when working with unknown chemical substances is to assume that the substance is hazardous and always wear appropriate PPE and take steps to prevent contact.
Since the substance is unknown, the best thing the person can do is to assume that it's harmful and hazardous and therefore take necessary precautions. The individual can put on laboratory coats, protective glasses, gloves etc. This is vital in order to prevent accidents from happening.
Answer:
Subgroups S, P, D, F, including elements of blocks s, p, d, f, respectively.
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Answer:
The boiling point
Explanation:
The boiling point is the temperature where a liquid starts to boil.
Answer: a) and pH = 1.04
b) and
c) and
Explanation:
pH or pOH is the measure of acidity or alkalinity of a solution.
pH is calculated by taking negative logarithm of hydrogen ion concentration.
a)
b)
c)
The answer of your question is TRUE