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Questions and answers by
Abubakar Osemu Abdulrahman
Questions (22)
In Sn4+ + 2Fe2+ _____ Sn2+ + 2Fe3+ equation the specie reduced is
a. Fe2+ b. both Sn4+ and Fe2+ c. None of the above. d. Sn4+
3 answers
158 views
Which can read data and convert them to a form that a computer can use?
a. Input device b. Logic c. Storage d. Control
1 answer
128 views
The primary difference between RAM and secondary storage devices is
a. RAM accepts input; secondary storage devices do not. b.
1 answer
147 views
Which of the following device is used to connect two systems, especially if the systems use different protocols ?
a. Gateway b.
1 answer
85 views
The _____________ elements are specialized computers to connect two or more transmission lines.
a. Broadcasting b. None of the
4 answers
754 views
The application layer of the OSI model is
a. Four layer b. Seven layer c. Six layer d. Seven layer
1 answer
121 views
The most common input devices include:
a. monitors and mice. b. printer and mice
1 answer
134 views
The input, output, and storage devices are known as:
a. peripheral devices. b. secondary storage devices.
1 answer
126 views
Networks are monitored by security personnel and supervised by _____ who set(s) up accounts and passwords for authorized network
1 answer
108 views
What are auxiliary equipments?
a. equipment b. guard rings c. voltage source d. devices
4 answers
160 views
Which device is used to handle carrier detection and collision detection in LANs ?
a. Bridge b. Transreceiver c. None of the
3 answers
146 views
Which of the following compound is the most abundant compound in sea water?
a. NaCl b. CaCl c. LiCl d. KCl
3 answers
100 views
Synthesis gas consists of equal volumes of:
a. \\(NO^{2}\\) and \\(H_{2}O\\) b. CO and \\(H_{2}O\\) c. \\(N_{2}O \\)and CO d.
3 answers
180 views
Which of the following element is in group 4?
a. C b. N c. F d. O
1 answer
65 views
A homonuclear diatomic molecule is made up of _____________.
a. three types of elements b. one type of element c. two types of
3 answers
159 views
A homonuclear diatomic molecule is made up of _____________
1 answer
89 views
The ability of an element to participate in a chemical reaction is measured in form of its _________.
a. ionization energy b.
2 answers
154 views
The ability of an element to participate in a chemical reaction is measured in form of its _________
1 answer
75 views
Which of the following is the least electronegative element in the periodic table?
a. calchogens b. alkali earth metal c. alkali
4 answers
124 views
Which type of sulphide has a Zig-Zag chain structure?
4 answers
259 views
Between hydrogen bond and covalent bond which is stronger?
1 answer
66 views
Why are group 2 metals harder than group 1 metals?
1 answer
85 views
Answers (1)
The ability of an element to participate in a chemical reaction is measured in form of its _________