Popular Class Vii X Chemistry Questions

The conjugate acid of NH2- is ...

Which of these gases have a tripple bond ? ...

Which of the following is most acidic? ...

A salt derived from a strong base and a weak acid will give a salt that is ...

Among the following, electron deficient compound is ...

How will the compounds solubility in water compare with the solubility of Calcium Bromide of our Universe ? ...

Which follows octet rule? ...

Consider the first ionization energies of the elements whose electronic configurations corresponds to the following.Which of these is the highest ? (i) [He]2s22p3 (ii) [He]2s22p4 (iii) [Ne]3s23p1 (iv)[Ar]3d104s1 ...

which of the following is the correct order of ionization energy 1. Be+>Be 2. Be>Be+ 3. C>Be 4. B>Be ...

An atom of one element A has four elements in its outermost shell, and that of B has six electrons in the outermost shell. The formula of the compound formed by these two will be ...

The first ionization potential of Na, Mg, Al, Si are in the order: ...

Arrange in order of Elecctronegativity .Oxygen(A), Chlorine(B), Sulphur(C). ...

In a certain alternate Universe the Aufbau principle is known to not work.The order of shell filling is according to the ascending order of azimuthal quantum numbers. What kind of element then will Calcium Be ? ...

Which of these gases have a triple bond? ...

In a material science laboratory certain salts were melted in order to find the ideal decorative crystal for interstellar travel. Salt A melted at 399 degrees, Salt B melted at 814 Salt C melted at 414 And salt D melted ...

You are given four boxes; containing four different types of substances. It is seen that the substance in the first one conducts electricity in its aqueous solution, the second conducts it in its native form/solid and the thi ...

Which of these salts is least ionic ? ...

Arrange the following hydroxides in order of their solubility. Magnesium hydroxide(1),Calcium Hydroxide (2),Barium Hydroxide (3),Strontium Hydroxide (4) ...