6.9
7.1
6.2
6.8
Correct answer is A
R.A.M = m\(_1 \alpha_1\) + m\(_2 \alpha_2\)
= 7(90/100) + 6(10/100)
= 6.3 + 0.6
= 6.9
Ethene undergoes mainly addition reactions because it is ...
Elements with high ionization energies would------- ...
What is the chemical symbol for Terbium? ...
Sodium hydroxide is prepared commercially from sodium chloride solution by? ...
What is the chemical symbol for Nitrogen? ...
Which of these radioactive elements is commonly used as a nuclear fuel ...
Which of the following salts is insoluble in water? ...
\(C_{12}H_{22}O_{11(s)} + H_2SO_{4(aq)} → 12C(s) + 11H_2O(l) + H_2SO_{4(aq)}\) In the rea...