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 5930An 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 2615In a balanced chemical equation (a) Atoms are conserved (b) Molecules are conserved (c) Moles are conserved (d) Reactant and product molecules are preserved.
1 21886How 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 5182Which of the following is least acidic (a) Ortho-cresol (b) Para-cresol (c) Phenol (d) Meta-cresol.
1 3683In Reimer-Tiemann?s reaction, the reaction intermediate is (a) Carbene (b) Dichloro carbene (c) Carbonion (d) Carbonium ion.
1 11141A 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 2894The rate of the first order reaction depends on the (a) Concentration of the reactant (b) Concentration of the product (c) Time (d) Temperature.
1 2817If 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 4267If 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) 481
8 36783Post New Wipro Bio Informatics Interview Questions
What are the sql versions?
pl. send me jr.engg.model question for rrb malda.
What are the case statement in ruby?
What is the difference between public, private, protected, and friend access?
What is spark good for?
what command can be used to view the checkpoint information for the extract process?
What are the different types of refreshing data for our published reports?
What are the different tools that can be integrated with sap tao?
can you plz send l&t aptitude questions if available its urgent plz plz plz
Tell me about any quality efforts you have overseen or implemented.
What is rake receiver?
What is 'write-ahead log' in sql server 2000 ?
What is the significance of impression share metric?
How Administration Server And Managed Servers Will Interact ?
Is the cloud connector sufficient to connect the sap cloud platform to an sap abap back end or is sap cloud platform integration needed?