Which of the following metals is common to both brass and...
Which of the following metals is common to both brass and bronze?
Aluminium
Copper
Lead
Iron
Correct answer is B
No explanation has been provided for this answer.
In the periodic table all elements within the same group have the same ...
Which of the following products of biotechnology can be used as a fuel in place of petrol? ...
The oxidation number of X in XO3−4 is...
The Kinetic theory can NOT be used to explain ...
1.1 g of CaCI2 dissolved in 50 cm3 of water caused a rise in temperature of 3.4°C. The heat of r...
WHICH OF THE FOLLOWING SALTS IS READILY SOLUBLE IN WATER? ...
Sodium reacts vigorously with water to produce ...
Zn+H2SO4→ZnSO4+H2 in the above reaction, how much zinc will be left undissolv...