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 6822An 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 3484In a balanced chemical equation (a) Atoms are conserved (b) Molecules are conserved (c) Moles are conserved (d) Reactant and product molecules are preserved.
1 22734How 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 6099Which of the following is least acidic (a) Ortho-cresol (b) Para-cresol (c) Phenol (d) Meta-cresol.
1 4469In Reimer-Tiemann?s reaction, the reaction intermediate is (a) Carbene (b) Dichloro carbene (c) Carbonion (d) Carbonium ion.
1 12022A 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 3762The rate of the first order reaction depends on the (a) Concentration of the reactant (b) Concentration of the product (c) Time (d) Temperature.
1 3457If 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 5079If 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 39813Post New Wipro Bio Informatics Interview Questions
How do you define or evaluate success?
what kind of testing have u done?
Who invented the first spark plug?
can you please explain the capital budgeting methods in any business?
What does the a tag stand for?
How do you think google is training data for self-driving cars?
What is the installation id?
What is difference between first and single in linq?
What is the use of insert tab?
What is the difference between CAT 5e communication cable & CAT4 Communication cable
What are disadvantages of microsoft-provided data provider classes in ado.net?
How to load a Dimension ? and how to load a fact table?
Is flexbox part of css3?
Specify the port number for https?
What is @embeddedid?