List of practice Questions

A cell that utilises the reaction Zn(s) + 2H^+(aq) Zn²⁺(aq) + H₂(g) addition of H₂SO₄ to cathode compartment, will:
The chemical reaction 2O₃ → 3O₂ proceeds as follows: O₃ fast O₂ + O O + O₃ slow 2O₂ The rate law expression should be:
Among the following statements the incorrect one is:
Cinnabar is an ore of:
Which of the following is used in the preparation of chlorine?
Which of the following elements does not belong to the first transition series?
[EDTA]⁴⁻ is a:
Which of the following order is not correct?
When esters are hydrolysed the product which gives hydrogen ions is:
Which of the following compound cannot be used in preparation of iodoform?
Which of the following compound is obtained by heating ammonium cyanate?
Which of the following statements about vitamin B₁₂ is incorrect?
Ammonia forms the complex ion [Cu(NH₃)₄]²⁺ with copper ions in alkaline solutions but not in acidic solutions. What is the reason for it?
An aqueous solution of a substance gives a white precipitate on treatment with dil. HCl which dissolves on heating. When H₂S is passed through the hot acidic solution, a black precipitate is obtained. The substance is a:
The one which is least basic is:
If A=1,2,3,4,5 then the number of proper subsets of A is:
The range of the function f(x)=x²-x+1x²+x+1, where xR, is:
If y=2α1+α+α, then the value of 1-α+α1+α is:
The period of θ+\sin2θθ+\cos2θ is:
The 100\textsuperscriptth term of the sequence 1,2,2,3,3,3,4,4,4,4, is:
The general solution of 8²(x)/(2)=1+ x is:
10ⁿ+3(4ⁿ⁺²)+5 is divisible by (nN):
If the expression x²-11x+a and ax²-14x+2a must have a common factor, then the common factor is:
If f(t)=1-t1+t, then f'(1) is equal to:
If the function f:(-∞,∞)→ B defined by f(x)=-x²+6x-8 is bijective, then B=