When X-Ray photons collide with electrons (a) They slow down (b) Their mass increases (c) Their wave length increases (d) Their energy decreases.1 5398
An electron emits energy (a) Because its in orbit (b) When it jumps from one energy level to another (c) Electrons are attracted towards the nucleus (d) The electrostatic force is insufficient to hold the electrons in orbits.1 2091
How many bonds are present in CO2 molecule?2 7352
In a balanced chemical equation (a) Atoms are conserved (b) Molecules are conserved (c) Moles are conserved (d) Reactant and product molecules are preserved.1 20918
How many grams of NaOH will react with 0.2 equivalent of HCl? (a) 0.59 (b) 0.285 (c) 1.18 (d) none of these.2 4432
Which of the following is least acidic (a) Ortho-cresol (b) Para-cresol (c) Phenol (d) Meta-cresol.1 3119
In Reimer-Tiemann?s reaction, the reaction intermediate is (a) Carbene (b) Dichloro carbene (c) Carbonion (d) Carbonium ion.1 10367
Which of the following is most acidic? (a) C2H5OH (b) CH3CHOHCH3 (c) Ethanol (d) CH3OH.1 4254
A catalyst (a)always slows down the reaction (b)always starts a rection that would not have ocurred at all otherwise (c)causes changes in the rate of the reaction (d)changes the quantities of the products formed.1 2264
The rate of the first order reaction depends on the (a) Concentration of the reactant (b) Concentration of the product (c) Time (d) Temperature.1 2317
What is the most abundant element in the universe ?1 3453
If y=cos-1(cosx + 4sinx)/(17)1/2, then dy/dx is ?1 4220
If the sum of n terms of two series of A.P are in the ratio 5n+4:9n+6 .find the ratio of their 13th terms?1 3626
If the letters of the word ?rachit? are arranged in all possible ways and these words are written out as in a dictionary, what is the rank of the word ?rachit?. (a) 485 (b) 480 (c) 478 (d) 4818 33582
Explain how to get requested path in laravel?
What is cardinality of a context node in webdynpro?
How do I fix a program that is not responding?
What are the basics of local (auto) objects?
What happens if I delete a category in wordpress?
List out the difference between XMLSerializer and the DataContractSerializer?
What is python constructor?
What do you mean by reach and frequency? Do you think these factors are inversely proportional in a given budget? Why?
Name the filter which accepts the page size as the parameter in hbase?
What are remote event receivers?
How do I calculate/select Droop CT ratio for various capacity of generators?
In qtp, how you can exit for loop?
Explain about Viewcontroller lifecycle.
You may undergone many projects. Do all the projects match up with customer’s expectations?
What do you mean by finite automata?