Question
14. The function of sodium pump is a biological process operating in each and every cell of all animals. Which of the following biologically
14. The function of "sodium pump" is a biological process operating in each and every cell of all animals. Which of the following biologically important ions is also a constitutent of this pump ? (a) Ca2+ (b) Mg2+ (c) K* (d) Fe2+ Lassaigne's test used in qualitative analysis to detect: (a) Nitrogen 16. (b) Sulphur (c) Chlorine The decreasing order of second ionization energy of K, Ca and Ba is: (a) K Ca > Ba (d) All of these (b) Ca > Ba > K (c) Ba > K > Ca (d) K > Ba > Ca 17. Which of the following pairs form the same osazone? (a) Glucose and fructose (b) Glucose and galactose (c) Glucose and arabinose (d) Lactose and maltose 18. A mixture of 2 mol of carbon monoxide and 1 mol of oxygen in a closed vessel is ignited to get carbon dioxide, then : (a) AH>AE (b) < (c) AH=AE (d) Not definite 19. The halide which is inert to water is: (a) PCl5 20. (b) SiCl4 (c) BC13 (d) SF6 One mole of water is converted to vapour at its boiling point which is 100C and at 1 atm. For this process, which one of following statement is correct? (a) AS=0 (b) AG=0 (c) AH=0 (d) AE =0
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