ESL
If something is essential, it is:
A. Optional
B. Expensive
C. Necessary
D. Unusual
C. Necessary
Simplify:
6x/3
A. 3x
B.2x
C. 6
D. 2
B.2x
Why are noble gases generally very unreactive?
A. They have no electrons
B. They have only one electron
C. Their outer electron shell is full
D. Their atoms are extremely large
C. Their outer electron shell is full
Which of these is a fruit?
A. Potato
B. Carrot
C. Tomato
D. Lettuce
C. Tomato
Which sentence is correct?
A. There are too much students in the room.
B. There is too many students in the room.
C. There are too many students in the room.
D. There are too many student in the room.
C. There are too many students in the room.
Which of these is an irrational number?
A. 0.5
B. ¾
C. √2
D. 0.25
C. √2
What happens to the reactivity of Group 1 metals as you move down the group?
A. It increases
B. It decreases
C. It stays the same
D. They stop reacting completely
A. It increases
Which country has the largest population in the world?
A. China
B. India
C. USA
D. Indonesia
B. India
Which word best completes the sentence?
The weather was terrible. ________, the match continued.
A. Because
B. However
C. Therefore
D. Although
B. However
Which is 450,000 written in standard form?
A. 45×104
B. 4.5×105
C. 4.5×104
D. 0.45×106
B. 4.5×105
Which statement about Group 7 halogens is correct?
A. Their reactivity increases down the group
B. Their reactivity decreases down the group
C. They are all metals
D. They have full outer electron shells
B. Their reactivity decreases down the group
You have 10 fish in a tank. Two drown. How many fish are left?
A. 8
B. 10
C. 2
D. 0
B. 10
Which sentence is most suitable for a formal email?
A. Hey, can you send me the info?
B. I was wondering if you could send me the information.
C. Send me the information ASAP.
D. Gimme the information when you can.
B. I was wondering if you could send me the information.
Simplify: x4 X x3
A. x12
B. x7
C. 2x7
D. x
B. x7
What happens when a covalent bond forms?
A. Electrons are transferred between atoms
B. Protons are shared between atoms
C. Electrons are shared between atoms
D. Neutrons move from one atom to another
C. Electrons are shared between atoms
Which animal has three hearts?
A. Shark
B. Octopus
C. Dolphin
D. Penguin
B. Octopus
Which sentence is grammatically correct?
A. She has lived in Hanoi since three years.
B. She has lived in Hanoi for three years.
C. She is living in Hanoi since three years.
D. She lived in Hanoi for three years ago.
B. She has lived in Hanoi for three years.
Expand: (x+3)(x+4)
A. x2+12
B. x2+7x+12
C. x2+12x+7
D. 2x+7
B. x2+7x+12
Why are some individuals in a species more likely to survive and reproduce?
A. They decide to adapt to their environment
B. They have inherited features that give them an advantage
C. They become stronger during their lifetime
D. All individuals have exactly the same features
B. They have inherited features that give them an advantage
A. 8
B. 9
C. 17
D. 26
B. 9