Mr. White works for a chemicals import and export company, but he has been working for this industrial fair, while he is _______ from that company.
Which of the listed chemicals can be routinely used to maintain the hygienic quality of potable water?()
Which of the following chemicals will be used where protection against caustic cracking is required in boiler treatment?()
Which of the following chemicals will be used where protection against caustic cracking is required in boiler treatment?()
Mr. White works for a chemicals import and export company, but he has been working for this industrial fair, while he is _______ from that company.
Which of the listed chemicals can be routinely used to maintain the hygienic quality of potable water?()
4500 synthetic chemicals can be classified as POPs.
____
Sometimes chemicals are carried in drums in ().
4500 synthetic chemicals can be classified as POPs.
____
Processed food and food ()contains chemicals and preservatives should be avoided.