Which one of the following is not general properties of ionic compounds?
Anonymous Quiz
20%
They don't contain molecules.
19%
They have relatively high melting and boiling points.
22%
They can conduct electric currents when molten or in aqueous solution.
39%
They are soluble in non- polar solvents.
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Which of the following element can not form ionic compound with oxygen?
Anonymous Quiz
13%
Magnesium
7%
Calcium
31%
Rubidium
49%
Sulphur
When hydrogen and chlorine atoms are companied to form covalent bond, how many lone - pairs and bonding - pairs are there in HCl compound respectively?
Anonymous Quiz
17%
1 and 3
57%
3 and 1
17%
1 and 2
9%
2 and 1
Which one of the following molecule can form triple bond?
Anonymous Quiz
10%
Hydrogen molecule
10%
Chlorine molecule
70%
Nitrogen molecule
10%
Fluorine molecule
Grade 11 Maths Unit 3 & Unit 4.pdf
7.1 MB
Grade 11 Mathematics
Unit 3 Matrices & Unit 4 Determinants
- Full Short Notes with 38+ Solved Problems
- Some Solved Exercises
- Solved Examples Based on previous Entrance Exams
Unit 3 Matrices & Unit 4 Determinants
- Full Short Notes with 38+ Solved Problems
- Some Solved Exercises
- Solved Examples Based on previous Entrance Exams
❤1
Grade 11 unit 3 Enzymes .pdf
16.6 MB
Grade 11 Biology Unit 3 Enzymes Note + UEE
Which of the following pairs can be solution set for y ≤ 2x + 5 ?
Anonymous Quiz
47%
(4, 13)
27%
(5, 16)
16%
(3, 12)
10%
(2, 10)
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Which of the following is the maximum value of the objective function Z = 5x + 6y, subject to constraints: 2x + y ≤ 16, x - y ≤ 10, x ≥ 0, y ≥ 0 ?
Anonymous Quiz
13%
40
45%
96
30%
106
13%
138
Neither of the students ________ absence from the class yesterday.
Anonymous Quiz
45%
were
14%
are
28%
was
13%
is
Alemu told me that he __________ the following day.
Anonymous Quiz
26%
will come
43%
would come
20%
will be coming
11%
will have been coming
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It was my birthday, ________ he didn't send me a card.
Anonymous Quiz
6%
and
19%
so
65%
but
10%
however
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This question is ________ all other questions in the booklet.
Anonymous Quiz
39%
easier than
17%
easy
41%
the easiest
3%
easier as
She said, " We are doing our homework now" Then which of the following can be the indirect speech of this sentence?
Anonymous Quiz
4%
She said that she is doing her homework then.
23%
She said that she was doing her homework then.
61%
She said that they were doing their homework then.
11%
She said that they had been doing their homework then.
Which of the following is an hydrogen bond?
A. NH3
B. CH3OCH3
C. CO2
D. NO2
A. NH3
B. CH3OCH3
C. CO2
D. NO2
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What is the weight of a person whose mass is 40kg on the earth?
Anonymous Quiz
75%
400N
5%
50N
13%
1600N
7%
4 N
A car of mass 1000 Kg is traveling at 20 m/s. The car accelerates over a distance 300m. The net force causing this accelerates is 375N. What is the final velocity of the car?
Anonymous Quiz
21%
31. 6 m/s
29%
26 m/s
35%
25 m/s
15%
37. 67 m/s
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What is the mechanical energy of a bird of mass 200g flying at 12 m/s at a height of 50 m above the ground ?
Anonymous Quiz
39%
114. 4 J
38%
1440 J
19%
100 J
4%
85 . 5 J
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Which theory believed that, "there is no beginning and end of life on the earth."?
Anonymous Quiz
27%
Spontaneous generation theory
8%
Special creationism theory
14%
Cosmozoan theory
51%
Eternity of life theory
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