I B.Tech EEE Engineering chemistry Pre Course activity
Across
- 1. Thermodynamic quantity commonly associated with heat change at constant pressure
- 4. Saturated hydrocarbon containing only carbon-carbon single bonds
- 9. Substance that shows a visible change near the end point of a titration
- 12. A region around a nucleus where the probability of finding an electron is high
- 15. Number of gram-equivalents of solute per litre of solution
- 18. Substance that changes reaction rate without being permanently consumed
- 21. Small molecule capable of joining with others to form a polymer
- 22. Ability of an atom in a molecule to attract shared electrons
- 24. Process involving gain of electrons or decrease in oxidation number
- 25. Separation technique based mainly on differences in boiling points
- 28. Weak intermolecular bonding is important in water and biomolecules
- 30. Term for the minimum energy barrier that reactants must overcome before reaction
- 33. Gradual deterioration of a metal by chemical or electrochemical reaction with its environment
- 34. Materials that exhibit properties between those of conventional liquids and solid crystals
- 38. Process involving loss of electrons or increase in oxidation number
- 39. Dynamic state in which forward and reverse reaction rates are equal
- 40. Solution that resists a change in pH when small amounts of acid or base are added
- 41. Water property mainly caused by dissolved calcium and magnesium ions
Down
- 2. Large molecule made by linking many repeating monomer units
- 3. Dispersion with particle size intermediate between a true solution and suspension
- 4. Scientist whose name is associated with 6.022 x 10^23 particles per mole
- 5. Volumetric analytical method used to determine an unknown concentration
- 6. A device used to store electric charge and electrical energy temporarily
- 7. Electrode at which reduction occurs
- 8. Reaction that releases heat to the surroundings
- 9. Phenomenon in which compounds have the same molecular formula but different arrangements
- 10. Type of bond formed by sharing electron pairs
- 11. Unsaturated hydrocarbon containing at least one carbon-carbon triple bond
- 13. Substance that conducts electricity through mobile ions in solution or molten state
- 14. energy generated by using the movement of flowing or falling water to produce electricity
- 16. Electrode at which oxidation occurs
- 17. Combining capacity of an atom
- 19. Amount of substance containing Avogadro's number of particles
- 20. Number of moles of solute present per litre of solution
- 23. Separation technique based on different distributions between stationary and mobile phases
- 26. Principle used to predict how an equilibrium responds to a disturbance
- 27. Thermodynamic measure related to energy dispersal or disorder
- 29. Reaction that absorbs heat from the surroundings
- 31. Addition of impurities to modify semiconductor electrical properties
- 32. battery widely used in vehicles
- 35. Type of bond formed mainly by transfer of electrons
- 36. Atoms of the same element having different numbers of neutrons
- 37. Smallest unit of an element