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Quiz Hard 2

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Quiz Hard 2

1 / 30

of all the nobel gasses, easily available gases

2 / 30

Which of the following term is not used in pulping?

3 / 30

In each period, the most electropositive element belongs to group

4 / 30

Mutarotation is exhibited by

5 / 30

The ionic product equilibirium contant is

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Given: A + 3B -----2C + D This reaction is first order with respect to reactant A and second order with respect to reactant B. If the concentration of A is doubled and the concentration of B is halved, the rate of the reaction would by a factor of

7 / 30

The percentage of nitrogen in ammonia is

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Zero group of the periodic table consisti of

9 / 30

Which of the following is not a form of cellulose

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Which of the following statements are true? 1.Reactions with more negative values of deltaG° are spontaneous and proceed at a higher rate than those with less negative values of deltaG.. 2. The activation energy, E., is usually about the same as deltaE for a reaction 3.The activation energy for a reaction does not change significantly as temperature changes. 4. Reactions usually occur at faster rates at higher temperatures.

11 / 30

Pick out the incorrect statement for transition metals

12 / 30

The point at which the reaction is observed to be complete is called

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The three isotopes of hy-drogen differ from one another in

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Which of the following techniques used for cleanup of samples prior to introduction into chromatographic column?

15 / 30

Bioconversion of biomass can be used for

16 / 30

In the metallurgy of iron, when limestones is added to the blast furnance , the calcium ions end up with

17 / 30

The ring structure of glucose doesnot explain

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A chemical reaction resulting in a change in the electric charges on the reacting particles may be called as

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The titration involving oxidation-reduction reaction is called

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The commnly used catalyst is the manufacture of H2SO4

21 / 30

which of the following compound has highest boiling point

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Which one of the following statements is not

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Which elements out of the following do not produce hydrogen on treatment with caustic soda? I (Zn): II (Sn); III (Mg): IV (Cu);

24 / 30

Which of the following detector is used a GC analysis

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What is the lowest-temperature diffusion-hardening process and does not require a quench?

26 / 30

Select a basic amino acid

27 / 30

used in Geiger counter to radiactivitry

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Electronagitivity of oxygen is

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Considering the elements F,CI, O and N. the correct order of their chemical reactivity in terms of oxidizing property is

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The speed of a chemical reaction

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