Chemistry Questions

________ is used for making vinegar.

Which is the only non-metal placed at the left side of the Modern Periodic Table?

Which of the following is not soluble in water?

In the following question, out of the four alternatives, select the alternative which will improve the bracketed part of the sentence. In case no improvement is needed, select "no improvement".

As feared, (differences into) the families pose a hurdle.

NaHCO3 is chemical formula for ___________.

The modern periodic table consists of 18 groups and 7 periods. What is the atomic number of the element placed in the 1st group and the 4th period?

Removal of carbon particles from air involves the principle of

______ decreases the rate of setting of cement.