Which of the following is an decomposition
reaction?
reaction?
Anonymous Quiz
13%
A + B → C
18%
A + B → C + D
64%
AB → A + B
6%
A + B ⇌ C
A + BC → AC + B ; is an example of which
reaction?
reaction?
Anonymous Quiz
13%
Combination
12%
Decomposition
64%
Displacement
11%
Double Displacement
Complete the reaction:
___ + 2 HCl → 2AgCl + _
___ + 2 HCl → 2AgCl + _
Anonymous Quiz
62%
2 Ag , H2
26%
Ag , H2
9%
H2 , Ag
3%
H2 , 2 Ag
Complete the reaction:
NaCl + AgNO3 → _____ + ___
NaCl + AgNO3 → _____ + ___
Anonymous Quiz
12%
NaNO3
8%
AgCl
35%
NaNO3 or AgCl
46%
Both (a) + (b)
In which of the following reaction ,
precipitate forms?
precipitate forms?
Anonymous Quiz
16%
Combination
19%
Decomposition
19%
Displacement
46%
Double Displacement
Altitude increases ; ‘g’ ____________ .
Anonymous Quiz
59%
decreases
22%
increases
17%
Remains constant
2%
NONE
Value of g at poles is _______.
Anonymous Quiz
41%
9.83 m/s2
28%
Maximum
24%
Both are correct
7%
Minimum
Which of the following is / are examples of true free fall?
Anonymous Quiz
11%
The moon
24%
The artificial satellites
46%
Both are correct
19%
None
During free fall, u (initial velocity) is _____
Anonymous Quiz
72%
Zero
12%
Non-zero
14%
Constant
2%
None
At infinite distance , g is zero hence P.E. is __
Anonymous Quiz
48%
Zero
26%
Non-zero
22%
Constant
3%
None
Value of escape velocity is ________ .
Anonymous Quiz
29%
11.2 km/s
32%
11.2 × 10^3 m/s
34%
Both are correct
5%
None
Higher (initial velocity u) ; the ______ (height) s
Anonymous Quiz
49%
larger
31%
smaller
17%
Constant
4%
None
Furious/curious
They rhyme, but they have opposite meanings. It’s very difficult to feel both emotions at the same time, and one is far more productive than the other.
They rhyme, but they have opposite meanings. It’s very difficult to feel both emotions at the same time, and one is far more productive than the other.
Which of the following pairs is incorrect?
Anonymous Quiz
19%
Yeast : ethanol, Carbon dioxide, and energy.
23%
Muscle Cells : Lactic acid, carbon dioxide, and energy
17%
Mitochondria : carbon dioxide, water, and energy
41%
All of the above are correct
Respiration may occur in the presence of oxygen, lack of oxygen, and in the absence of oxygen. Which of the following products of respiration is responsible for sudden muscular cramps while performing an activity??
Anonymous Quiz
13%
Ethanol
59%
Lactic acid
22%
Carbon dioxide
6%
Water
When a person breathes in, the ribs are lifted up while the diaphragm is
Anonymous Quiz
39%
is expanded
41%
is flattened
13%
remains the same
6%
None of the above
👏1
The plants generally lack proper respiratory system, but animals have_______ which is the site where gaseous exchange occurs.
Anonymous Quiz
19%
bronchi
45%
alveoli
23%
diaphragm
13%
trachea