Substance Q reacts with cold water to form a solution whi...
Substance Q reacts with cold water to form a solution which turns red litmus blue. Substance Q could be
zinc
phosphorus
lead
sodium
Correct answer is D
No explanation has been provided for this answer.
What is the molar mass of a substance, if 0.4 mole of the substance has a mass of 25.0g? ...
Find the number of neutrons in an atom represented by 4521X....
Iron galvanized with zinc is cathodically protected from corrosion. This is because? ...
Which of the following hydrocarbons is not likely to be present in petrol? ...
The scum formed when soap is mixed with hard water could be ...
Which of the following compounds will impart a brick-red colour to a non-luminious bunsen flame? ...
A coordinate covalent bond could be formed between? ...
Which of the following physical properties decreases down a group in the periodic table? ...