CHM192: _________ is used to remove water or solvents of relatively low boiling point adhering to solids under reduced pressure at room
temperature, or to keep anhydrous compounds. Show Options
Answer: (A) Vacuum dessicators
CHM192: Separatory funnel is used to separate ___________. Show Options
Answer: (A) Two immiscible liquids
.
CHM192: When acid is spilled in the laboratory it should be ____________. Show Options
Answer: (C) Neutralised with sodium bicarbonate
.
CHM192: Which of the following is used for measuring liquids by volume ? Show Options
Answer: (C) Graduated cylinder
.
CHM192: Which of the following should not be used to put off a chemical fire ? Show Options
Answer: (A) Water
.
CHM192: One of the disadvantage of wearing loose sleeves to the laboratory during a practical class is _____________. Show Options
Answer: (B) They can sweep flasks from the laboratory bench
.
CHM192: Glassware are used for experiments in the Chemistry laboratory because __________. Show Options
Answer: (C) They are relatively inert, transparent and more heat-resistant
.
CHM192: Spilled base should be _____________. Show Options
Answer: (D) Neutralised with dilute acetic acid
.
CHM192: Darkened brown or amber glass is used to ______________. Show Options
Answer: (B) Keep out much of UV and IR radiation
.
CHM192: Smoking is prohibited in the laboratory because o ____________. Show Options
Answer: (B) It can cause fire hazard
.
CHM192: All the following are components of the Central Processing Unit except the ___ Show Options
Answer: (C) Memory board
CHM192: The main purpose of the ____ engine is to compute logarithmic tables and print the results. Show Options
Answer: (C) Difference
.
CHM192: The fourth generation of computers employed Very Large Scale Integrated ___. Show Options
Answer: (B) Circuits
.
CHM192: ____ have OCR features which enable them to convert text images into actual texts. Show Options
Answer: (A) Scanners
.
CHM192: Typically, ___ bits make one byte. Show Options
Answer: (C) Eight
.
CHM192: Generally, ___ are found on a motherboard. Show Options
Answer: (D) Sockets
.
CHM192: Computers expected to mimic human intelligence are classified as the ___ generation computers. Show Options
Answer: (C) Fifth
.
CHM192: The ___ was the first computer to perform arithmetic and logical operations using stored programs . Show Options
Answer: (B) Electronic Delay Storage Automatic Computer
.
CHM192: Essentially, the ___ memory is used for permanent storage Show Options
Answer: (C) Secondary
.
CHM192: The fetch-execute __ implies that instructions are fetched from memory and executed one after the other. Show Options
Answer: (D) Cycle
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