How many number of statements correct about chemical adsorption? 1) Enthalpy of adsorption is low 2) It is multi-layered 3) It is Irreversible 4) It is monolayered

How many layers are adsorbed in chemical adsorption?

Which of the following statements about physical adsorption is not correct?

Which of the following is correct about the adsorption of N_(2) over lron ?

Which of the following statement is correct about ethane 1,2 diamine ?

How many numbers of 5 digits can be formed by the digits 1,2,2,1,3?

Which of the following statements is/are correct about hexagonal close packing ? 1. The coordination number is 8 2. It is ABAB type packing in which third layer is aligned with the first layer 3. Be, Mg, Mo etc. are found to have hcp structure 4. In hcp, atoms occupy 74% of the available space

How many numbers of 5 digits can be formed with the digits 0,1,2,3,4?

How many number4 of four digits can be formed with the digits 1,3,3,0?

How many numbers can be formed from the digits 1, 2, 3, 4 when repetition is not allowed?

How many numbers can be formed from the digits 1, 2, 3, 4 when repetition is not allowed?