75. What is “Fly in” in MS power point?
(A) Page design
(B) Animation effect
(C) System command
(D) Colour scheme
(E) Question not attempted
76. Which of the following statements is NOT true about floppy disk?
(A) Data can only be read or written when the write protect notch is closed or covered.
(B) Floppy disks are made up of Mylar Plastic.
(C) Mylar Plastic surface is coated with iron oxide (magnetic substance).
(D) Only 1.44 MB can be stored in some versions.
(E) Question not attempted
77. Ethanoic acid reacts with carbonates to form?
(A) Salt, carbon dioxide and water only
(B) Salt, ethane and water only
(C) Salt and water only
(D) Salt, nitrogen dioxide and water only
(E) Question not attempted
78. The property of carbon which is responsible for the formation of long chains is called:
(A) Sublimation
(B) Carbonation
(C) Hydrogenation
(D) Catenation
(E) Question not attempted
79. Electrolysis of dilute aqueous NaCl solution was carried out by passing 20 milliampere current. The time required to liberate 0.02 mol of hydrogen gas at the cathode is:
(A) 28.95 × 10^5 s
(B) 19.3 × 10^5 s
(C) 38.6 × 10^5 s
(D) 9.65 × 10^5 s
(E) Question not attempted