Verbal Reasoning - Mental Ability Questions

Find the correct option which has a similar relationship.

Reactants : Products :: H2 + O2 : ?

Select the related word/letters/number from the given alternatives.

Honest : Truthful : : Obdurate : ?

Select the related word/letters/number from the given alternatives.

SPINSTER : ROHMRSDQ : : SEMESTER : ?

Select the related word from the given alternatives.

Examination : Success :: Matches : ___

Select the related word/letters/number from the given alternatives.

SAP : WET : : ? : XVI

Select the related word/letters/numbers from the given alternatives:

Accomodation : Rent :: Journey : ?

Select the related word/letters/number from the given alternatives.

ADFG : KNPQ :: DGIJ : ?

In the following question, select the related word pair from the given alternatives.

Pressure : Pascal : : ? : ?