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 3574In a balanced chemical equation (a) Atoms are conserved (b) Molecules are conserved (c) Moles are conserved (d) Reactant and product molecules are preserved.
1 22805How 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 6211Which of the following is least acidic (a) Ortho-cresol (b) Para-cresol (c) Phenol (d) Meta-cresol.
1 4528In Reimer-Tiemann?s reaction, the reaction intermediate is (a) Carbene (b) Dichloro carbene (c) Carbonion (d) Carbonium ion.
1 12107A 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 3834The rate of the first order reaction depends on the (a) Concentration of the reactant (b) Concentration of the product (c) Time (d) Temperature.
1 3513If 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 5143If 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 40092Ravi?s salary was reduced by 25%.Percentage increase to be effected to bring the salary to the original level is (a) 20% (b) 25% (c) 33 1/3% (d) 30%
3 11091Post New Wipro Interview Questions
What is the constant called that is the average flux of the suns energy arriving at the earth?
What is JFC?
what are windows services?
Explain the difference between object state and behavior?
What is lock table overflow?
A ball is dropped from the top of 8 m building. It bounces back half the drop. So when it will be still how many distance would it have travelled.
What is rpf in networking?
What are the tasks performed during inorder traversal?
Derive the cable equation for a uniform cylinder, with optimal boundary conditions.
What is difference between raw_input and input in python?
Does python have inheritance?
What are the components in angular2?
What are synonyms?
Define Primary key, Foreign key, Weak key in your own words.
What are the extraction and insertion operators in c++? Explain with examples.