General Science Chemistry MCQs
Chemistry Objective (Multiple Choice) General Knowledge Questions & Answers for SSC-CGL, UPPSC, UPSC, NDA, CDS and UPSC Civil Services Prelims Examination
81. Which of these cannot be the reason for the permanent hardness in water?
82. Why soaps do not work in hard water?
83. Which of the following is used as a food preservative?
84. Which of these artificial sweeteners has the highest sweetness value?
85. What is the sweetness value of Aspartame in comparison to the cane sugar?
86. Which of these drugs is called as the ‘love drug’?
87. Cream gets separated out of milk when it is churned due to which of the following reasons?
88. Which of the following gases is heavier than oxygen?
89. What is the PH of the human blood?
90. Which of the following is not an example of Allotrope?