Which of the folllowing statements are t...

Which of the folllowing statements are true about teeth ?

dermis of skin

bone of the skeleton of jaw

partly dead and partly living

dead structure

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The correct Answer is:

A, C, D

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Which of the following statement are true-

physisorption is universal in nature and it involves formation of multimolecular layer on the surface of adsorbent

rate of a chemisorption increases with rise in temperature

there are some cases, where molecules of solvent instead os solute molecules , get adsorbed on the surface of the adsorbent

surface free energy increases due to adsorption

if Z = 15, the element forms covalent hydride

if Z=23, the element forms ionic hydride

if Z=19,the element forms ionic hydride

if Z=44, the element forms metalic hydride

The partial pressure of oxygen in deoxygeneted blood is 40 mm Hg.

The partial pressure of oxygen in oxygeneted blood is 95 mm Hg.

The partial pressure of `CO_(2)` in the alveolar air is 40 mm Hg.

Only `95%` of Haemoglobin is available for `O_(2)` carriage