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- Sum of n terms of series 12+16+24+40+..will be
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- The sum of the series (1+2)+ (1+2+2^2)+(1+2+2^+2^3)+...up to n terms is
- If sigma k(k+1)(k-1)= pn^4 +qn^3+ tn^2+ sn, where p,q,t and s are constant , then the value of s is equal to
- For a first-order reaction a -> products the concentration of a change from
- 1 + 3/2 + 5/2^2 + 7/2^3 +........infinite is equal to
- The sum to infinity of the series 1+2/3 + 6/3^2 + 10/3^3 + 14/3^4+......is
- Sum of the square of first n natural numbers exceeds their sum by 330 , then n=
- Atomic number of N is 7. The atomic number of
- For a reaction 1/2 A -> 2B, rate of disappearance of a is
- According to freundlich adsorption isotherm which of the following is correct?
- the rate of a reaction doubles when its temperature changes
- the rate of a chemical reaction doubles for every 10 degree C rise of temperature
- if a machine is lubricated with oil
- Which gas is obtained when urea is heated
- which of the following statements is incorrect regarding phyisorprions?
- the coagulation power of electrolytes having inos Na + ,
- A reaction A forms two products
- consider the reaction,
- the half-life period of a first-order chemical reaction
- Which salt can be classic as an acid salt
- Orthophosphoric acid represents the molasis
- Which of the following is nitrogenous
- Consider the reaction, 2A + B -> products
- When concentrated nitric acid is heated, it decomposes
- With reference to protonic acids, which of
- H3PO3 is
- Oxidation number of As in
- When HNO3 is dropped into the palm
- the energies of a activation for the forward and reverse reactions for
- Which of the following have least covalent
- Ammonia is dried Ive
