The 'laughing gas' is

Related Questions

1. Work done by a/an __________ process is determined by ∫p. dv
2. __________ of air does not increase with increase in temperature.
3. M10 index of coke indicates its
4. __________ is used as a material of construction for the blade of power saw.
5. Stainless steel is welded with difficulty because of
6. Energy of the sun arises mainly from __________ reactions.
7. Friction factor for fluid flow in pipe does not depend upon the
8. The refractory lining of the bottom in a basic electric arc furnace is made of
9. Which of the following is an ore dressing operation?
10. Strain hardening effect in metals subjected to cold working is due to the __________ mechanism.
11. Powder metallurgy is used to produce
12. When the wet steam is throttled but still remains wet at the exit of the throttle valve, then its temperature…
13. __________ is not used as the control rod material in a nuclear reactor.
14. Heat transfer by __________ is almost absent in case of fluidised bed drying operation.
15. A pycnometer is used for the measurement of
16. Which of the following relationships is correct for relating the three elastic constants of an isotropic…
17. Propulsion of rocket follows from the
18. Which of the following represents the correct time-temperature curve when a block of metal is heated…
19. With increase in impurities in metals, their corrosion resistances
20. Main constituent of bone ash is
21. The emf of a Deniell cell Zn | Zn2+ || Cu2+ | Cu can be increased by
22. Liquid nitrogen containers can be made from
23. __________ is a special constituent of chlorophyll without which photosynthesis is not possible.
24. Pick out the wrong statement.
25. Annealing of cast iron
26. As the fluid flow rate increases, the float of the Rotameter
27. Resistance of an electrical conductor is proportional to its (where, l = length and A = cross-sectional…
28. The heat of neutralisation remains constant, when there is a reaction between dilute solutions of strong
29. In a neutral solution
30. For separating small pieces of metal from engine oil of a car, the best separating technique is the

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