If an element has the electronic configuration 1s 2 2s2 2p3 3s2 3p4, it is

zn + 2HCl → ZnCl2 + H2The rate of the above reaction will be greatly increased if

Liquid X, reacts with sodium trioxocarbonate (IV) (Na2CO3) to give a gas which turns calcium chloride solution milky X is

A jet plane carrying 3,000 kg of ethane burns off all the gas forming water and carbondioxide. if all the carbondioxide is expelled and all the water formed ...

Which of the following is a neutralization reaction?

The equilibrium reaction between copper (l) chloride and chlorine at 25oC and 1 atmosphere is represented by the equation: 2CuCl +Cl2 ⇌ 2 CuCl2 ∆H = - 166 KJ...

30 cm3 of 0.1 M Al (NO3)3 SOLUTION IS RECTED WITH 100cm3 of 0.15M of NaOH solution. Which reactant is in excess, and by now much ?

Zn + H2 SO4 → ZnSO4 + H2 In the above reaction how much Zinc will be left of 1.0 M of H2SO? [Zn =65, s = 32, O = 16, H = 1]

Which of the following statements is FALSE?