91. A bolometer consists of A. Two metals welded together B. A thin blackened platinum strip in an evacuated vessel C. Deuterated triglycine sulphate D. Tungsten wire Answer & Solution Discuss in Board Save for Later Answer & Solution Answer: Option B No explanation is given for this question Let's Discuss on Board
92. UV spectroscopy is not useful for identification of A. Compounds with double bond B. Compounds with conjugated double bond C. Poly-aromatic compounds D. Alkanes Answer & Solution Discuss in Board Save for Later Answer & Solution Answer: Option D No explanation is given for this question Let's Discuss on Board
93. Hypsochromic shift is also called as A. Yellow shift B. Blue shift C. Red shift D. Violet shift Answer & Solution Discuss in Board Save for Later Answer & Solution Answer: Option B No explanation is given for this question Let's Discuss on Board
94. A widely accepted detector electrode for pH measurement is A. Platinum wire B. Glass electrode C. Ag-AgCI electrode D. Lanthanum fluoride Answer & Solution Discuss in Board Save for Later Answer & Solution Answer: Option C No explanation is given for this question Let's Discuss on Board
95. RP-HPLC involves A. Less polar mobile phase less than stationary phase B. Less polar stationary phase than mobile phase C. Reverse osmosis D. Forward osmosis Answer & Solution Discuss in Board Save for Later Answer & Solution Answer: Option B No explanation is given for this question Let's Discuss on Board
96. In glass electrode, platinum wire is inserted in which of the following solution A. 0.1 M hydrochloric acid B. 0.1 M mercuric chloride C. 0.1 M potassium chloride D. 0.1 M potassium bromide Answer & Solution Discuss in Board Save for Later Answer & Solution Answer: Option A No explanation is given for this question Let's Discuss on Board
97. A molecular electronic state in which all of the electrons are paired are called: A. Single state B. Triplet state C. Double state D. Single excited state Answer & Solution Discuss in Board Save for Later Answer & Solution Answer: Option A No explanation is given for this question Let's Discuss on Board
98. Which separation technique is suitable for simultaneous analysis of standards and samples in a single run? A. HPLC B. GC C. TLC D. UV Answer & Solution Discuss in Board Save for Later Answer & Solution Answer: Option C No explanation is given for this question Let's Discuss on Board
99. In gas chromatography which detector is most sensitive to halogenated compounds A. TCD B. FID C. ECD D. NPD Answer & Solution Discuss in Board Save for Later Answer & Solution Answer: Option C No explanation is given for this question Let's Discuss on Board
100. Dipole-induced dipoles are known as: A. Hydrogen bonding B. Keeson C. London forces D. Debye forces Answer & Solution Discuss in Board Save for Later Answer & Solution Answer: Option D No explanation is given for this question Let's Discuss on Board