NEET Chemistry Chapter Wise Mock Test – Inorganic Chemistry I
Hydrogen will not reduce
(b) heatedcupric oxide
(c) heated ferric oxide
(d) heated stannic oxide
Which of the properties of interstitial hydrides is correct? .
(a) They can be used as hydrogenation catalysts
(b) On thermal decomposition they afford a source of pure hydrogen
(c) They give rise to metals fit for fabrication
(d) They generally form non-stoichiometric species
The hardness of water is estimated by
(a) EDTA method
(b) titrimetric method
(c) conductivity method
(d) distillation method
Why does H+ ion always get associated with other atoms or molecules?
(a) Ionisation enthalpy of hydrogen resembles that of alkali metals
(b) Its reactivity is similar to halogens
(c) It resembles both alkali metals and halogens
(d) Loss of an electron from hydrogen atom results in a nucleus of very small size as compared to other atoms or ions. Due to small size, it cannot exist free
Which of the following has correct increasing basic strength?
(a)MgO < BeO < CaO < BaO
(b)CaO < BaO < BeO < MgO
(c)BaO < CaO < MgO < BeO
(d)BeO < MgO < CaO < BaO
The difference of water molecules in gypsum and plaster of Paris is
Bleaching powder loses its power on keeping for a long time because
(a) it changes into calcium chloride and calcium chlorate
(b) it absorbs moisture
(c) it changes into calcium hypochlorate
(d) it changes into calcium chloride and calcium hydroxide
The correct order of solubility of the sulphates of alkaline metals in water is
(a)Be > Ca > Mg > Ba > Sr
(b)Mg > Be > Ba > Ca > Sr
(c)Be > Mg > Ca > Sr > Ba
(d)Mg > Ca > Ba > Be > Sr
Sodium hypohalite when dissolved in water will turn
(a) blue litmus red
(b) red litmus blue
(c) red litmus green
(d) No change
Which of the following is a use of alum?
(a) Making explosives
(b) Bleaching clothes
(c) Water softening
(d) All of these
Which of the following cuts ultraviolet rays?
(a) Soda glass
(b) Crooke’s glass
(d) None of these
Which gas is used in aerated water?
(d) Water vapours
In the preparation of amorphous silicon, HF acid is used to remove
(d) None of these
In laboratory burners use
(a) producer gas
(b) oil gas
(c) gobar gas
(d) coal gas
Direction (Q. Nos. 37-38) In the following questions more than one answers given may be correct. Select the correct answers and mark it according to the codes.
(a) 1,2 and 3 are correct
(b) 1 and 2 are correct
(c) 2 and 4 are correct
(d) 1 and 3 are correct
Assertion NaOH cannot be stored in a vessel made of Al or Zn.
Reason A protective layer of oxide is formed on the surface of the metal.
(a) Assertion is true, Reason is true; Reason is the correct explanation for Assertion
(b) Assertion is true, Reason is true; Reason is not the correct explanation for Assertion
(c) Assertion is true, Reason is false
(d) Assertion is false, Reason is true