A compound that gives a brick-red colour to a non-luminou...
A compound that gives a brick-red colour to a non-luminous flame is likely to contain
copper ions
sodium ions
calcium ions
Potassium ions
Correct answer is C
No explanation has been provided for this answer.
The oldest rocks in the earth's crust were once molten, and came from deep inside the earth. The...
Consider the following reaction equation C2H4(g) + 3O2(g) → 2CO2(g) + 2H2O(l). The volume ...
When Magnesium reacts with oxygen, heat is ...
An element, X, forms a volatile hydride XH3 with a vapour density of 17.0. The relative atomic ...
The green colour solution of an Fe2 salt changes to a brown solution of an Fe3+ salt by ...
Alkanals can be differentiated from alkanones by reaction with? ...
The sulphide which is insoluble in dilute hydrochloric acid is ...
The alkaline hydrolysis of fats and oils produces soap and...
Which of the following pairs illustrates isotopy? ...
Consider the following equilibrium reaction: 2AB2(g)+B2(g)→2AB3(g). \...