ECAT Mock Test 2 - Online MCQ Exam

If A=B, which of the following is not correct ?

1 Mark(s)

Your Answer:

A.B = A^ B^ A.B = A^ B^
|A| = |B| |A| = |B|
|A^| = |B^| |A^| = |B^|
AB^ = BA^ AB^ = BA^

Which is strongest field ligand?

1 Mark(s)

Your Answer:

$\ce{F-}$ $\ce{F-}$
$\ce{H2O}$ $\ce{H2O}$
$\ce{CN-}$ $\ce{CN-}$
$\ce{Cl-}$ $\ce{Cl-}$

There is . . . . . . . . dog.

1 Mark(s)

Your Answer:

a a
an an
the the
no article no article

(-9) × (-3) + (-9) × 4 is equal to

1 Mark(s)

Your Answer:

A) 63 A) 63
B) -9 B) -9
C) -63 C) -63
D) 54 D) 54

The fundamental law of electric force between two stationary charged particles is established by:

1 Mark(s)

Your Answer:

Newton Newton
Ohm Ohm
Hooke Hooke
Coulomb Coulomb

Mole fraction of solute in solution:

1 Mark(s)

Your Answer:

Mass ratio Mass ratio
Moles solute/total moles Moles solute/total moles
Grams/100g Grams/100g
Volume ratio Volume ratio

Detect analogy : Vigour : Vitality : Stamina

1 Mark(s)

Your Answer:

The terms are related to medicines. The terms are related to medicines.
The terms are related to one`s instinct for fighting.
The terms are a measurement for tolerance.
The terms are related to inner strength.

By converting 6800cm³ into ml, the answer will be:

1 Mark(s)

Your Answer:

6800ml 6800ml
680ml 680ml
68ml 68ml
68000ml 68000ml

Z number for chlorine is __________?

1 Mark(s)

Your Answer:

35.5 35.5
17 B. 15 17 B. 15
21 21

If 1/V is plotted on X-axis and pressure on Y-axis at constant temperature what should appear ________________?

1 Mark(s)

Your Answer:

Straight line parallel to x-axis Straight line parallel to x-axis
Straight line parallel to y-axis Straight line parallel to y-axis
Straight line Straight line
Curve Curve

$\frac{1}{2}$ × $\frac{3}{7}$ ÷ $\frac{1}{7}$ is :

1 Mark(s)

Your Answer:

A) $\frac{3}{2}$ A) $\frac{3}{2}$
B) 4 $\frac{1}{2}$ B) 4 $\frac{1}{2}$
C) $\frac{1}{7}$ C) $\frac{1}{7}$
D) $\frac{1}{8}$ (\frac{3}{2}\) D) $\frac{1}{8}$ (\frac{3}{2}\)

The potential energy of a particle in SHM is maximum at:

1 Mark(s)

Your Answer:

Mean position Mean position
Extreme position Extreme position
Halfway Halfway
Nowhere Nowhere

He was obliged to resign.

1 Mark(s)

Your Answer:

He was make to resign. He was make to resign.
To resign was his obligation. To resign was his obligation.
Circumstances obliged him to resign. Circumstances obliged him to resign.
Registration obliged him. Registration obliged him.

Librariance is related to Books in the same way as Bankers is related to?

1 Mark(s)

Your Answer:

Customers Customers
Banks Banks
Money Money
Creditors Creditors

The Phrase/ idiom “See eye to eye” means:

1 Mark(s)

Your Answer:

Have a same look Have a same look
Have a same countenance Have a same countenance
Have a same opinion Have a same opinion
Have a same eyes colour Have a same eyes colour

LUCID

1 Mark(s)

Your Answer:

Glory Glory
Noisy Noisy
Obscure Obscure
Distinct Distinct

When Lithium reacts with air which of the following is formed?

1 Mark(s)

Your Answer:

Superoxide Superoxide
Normal Oxide Normal Oxide
Peroxide Peroxide
None of these Answer None of these Answer

F zero lines of the Vernier scale are on the left side of the zero of the main scale, then zero error will be:

1 Mark(s)

Your Answer:

zero zero
positive positive
negative negative
one one

The displacement of a particle is $x = 3 \sin(2t) + 4 \cos(2t)$. The amplitude is:

1 Mark(s)

Your Answer:

7 7
5 5
1 1
12 12

At higher temperature, Ethyne on reaction with water in the presence of HgSO4 and H2SO4 gives:

1 Mark(s)

Your Answer:

Acetone Acetone
Acetaldehyde Acetaldehyde
Acetic acid Acetic acid
Ethyl alcohol Ethyl alcohol

A student scored an average of 80 marks in 3 subjects: Physics, Chemistry and Mathematics. If the average marks in Physics and Mathematics is 90 and that in Physics and Chemistry is 70, what are the marks in Physics?

1 Mark(s)

Your Answer:

60 60
64 64
72 72
80 80

Water that easily gives lather with soap is called:

1 Mark(s)

Your Answer:

hard water hard water
soft water soft water
dirty water dirty water
clean water clean water

The cost price of 13 articles is equal to the selling price of 11 articles. Find the profit percent?

1 Mark(s)

Your Answer:

15 5/15% 15 5/15%
18 2/11% 18 2/11%
16 2/3% 16 2/3%
30% 30%

Select an alternative from of uncertainly principle from the following_______________?

1 Mark(s)

Your Answer:

∆E = h/m∆c(1-cosθ) ∆E = h/m∆c(1-cosθ)
∆E . ∆t = h ∆E . ∆t = h
mc2 = hv mc2 = hv
Any of above Any of above

A man could buy a certain number of notebooks for Rs.300. If each notebook cost is Rs.5 more, he could have bought 10 notebooks less for the same amount. Find the price of each notebook?

1 Mark(s)

Your Answer:

10 10
8 8
15 15
7.50 7.50

What is the chemical name of Oil of Vitriol?

1 Mark(s)

Your Answer:

Hydrochloric Acid Hydrochloric Acid
Sulphuric Acid Sulphuric Acid
Nitric Acid Nitric Acid
Muriatic Acid Muriatic Acid

The insulations around wires are damaged due to:

1 Mark(s)

Your Answer:

less current less current
less voltage less voltage
high current high current
high voltage high voltage

War : Death : : Smoke : __________?

1 Mark(s)

Your Answer:

Burning Burning
Pollution Pollution
Fire Fire
Cigarette Cigarette

In Hooke's Law, F = -k x, the constant k is called the:

1 Mark(s)

Your Answer:

velocity velocity
speed constant speed constant
spring constant spring constant
time time

30+(5 × 4)+50 is same as : ……….

1 Mark(s)

Your Answer:

A) (30+5) × (4+50) A) (30+5) × (4+50)
B) 5 × 4 + 30 + 50 B) 5 × 4 + 30 + 50
C) (30+4) × (5+50) C) (30+4) × (5+50)
D) 5×(30+50)+4 D) 5×(30+50)+4

The method to derive a quadratic formula is:

1 Mark(s)

Your Answer:

completing square method completing square method
factorization method factorization method
synthetic method synthetic method
using formula method using formula method

Antonym of ” Celibate ” is _____________?

1 Mark(s)

Your Answer:

Chaste Chaste
Ascetic Ascetic
Monastic Monastic
Married Married

TRANSPARENT

1 Mark(s)

Your Answer:

Semi-transparent Semi-transparent
Muddy Muddy
Opaque Opaque
Dark Dark

The area of a rectangle with sides 12.5 cm and 8 cm is

1 Mark(s)

Your Answer:

A) 125 cm 2 A) 125 cm 2
B) 50 cm 2 B) 50 cm 2
C) 100 cm 2 C) 100 cm 2
D) None of these D) None of these

I would like to thank you ____________ behalf of all of us?

1 Mark(s)

Your Answer:

of of
on on
about about
in in

Produce : Waste : : Contrast : ____________?

1 Mark(s)

Your Answer:

Match Match
Correct Correct
Oppose Oppose
Contradict Contradict

Evaluating Your Answers

ECAT Mock Test 2 : Question 1 of 36