Chief Editor
Chief Editor
 Nov 24, 2022
4
IUPAC name of wood spirit is
Difficulty: Easy
A:

Propanol

B:

Methanol

C:

Ethanol

D:

None of these

View Solution Steps
If $z=x+iy$ then |z|=
Difficulty: Hard
A:

$\sqrt{x^{2}+y^{2}}$

B:

$\sqrt{x^{2}-y^{2}}$

C:

$x^{2}+y^{2}$

D:

$x^{2}-y^{2}$

View Solution Steps
$\frac{(n-1)!}{(n+1)!}=?$
Difficulty: Easy
Verified By ClassNotes
A:

$n+1$

B:

$\frac{n}{2}$

C:

$n-1$

D:

None of these

View Solution Steps
$\cfrac{x^{3}-x^{2}+x+1}{x^{2}+5}$ is a
Difficulty: Easy
A:

Proper Rational Fraction

B:

Improper Rational Fraction

C:

Infinite Rational Fraction

D:

Finite Rational Fraction

View Solution Steps
If $A = \{1, 2, 3\}$ and $B = \{4, 5, 6\}$ then find the number of subsets of $A \cup B$ are
Difficulty: Easy
A:

8

B:

16

C:

32

D:

64

View Solution Steps
She is meticulous about her appearance. The synonym of the highlighted word is:
Difficulty: Easy
A:

Worried

B:

Careful

C:

Proud

D:

Methodical

The addition and subtraction of two matrices $A$ and $B$ requires that the matrices be
Difficulty: Easy
A:

Of equal dimension

B:

Rectangular

C:

Square

D:

Identity

View Solution Steps
The function of salt bridge is:
Difficulty: Easy
A:
To increase movement of ions
B:
To increase emf of cell
C:
To decrease the temperature
D:
To maintain electrical neutrality
The prisoner was released on ______ for good behavior
Difficulty: Hard
A:
parole
B:
grounds
C:
probation
D:
bail
Choose the antonym of Recede:
Difficulty: Easy
A:

Proceed

B:

Reject

C:

Follow

D:

Welcome

A function is said to be even when
Difficulty: Easy
Verified By ClassNotes
A:

$f(x)=f(x)$

B:

$f(-x)=f(x)$

C:

$f(-x)=-f(x)$

D:

None of these

View Solution Steps
The reactivity of alcohol when O-H bonds break is given as
Difficulty: Easy
A:

Tertiary Alcohol > Secondary Alcohol > Primary Alcohol

B:

Primary Alcohol > Secondary Alcohol > Tertiary Alcohol

C:

Primary Alcohol > Secondary Alcohol < Tertiary Alcohol

D:

Tertiary Alcohol > Primary Alcohol > Secondary Alcohol

View Solution Steps
A flywheel accelerates from rest to an angular velocity of 7 rad/sec in 7 seconds. Its average acceleration will be:
Difficulty: Easy
A:
49 $rad/sec^{2}$
B:
1 $rad/sec^{2}$
C:
0.16 $rev/sec^{2}$
D:
Both b and c
Cube roots of unity are
Difficulty: Easy
Verified By ClassNotes
A:

$1,\omega,\omega^{2}$

B:

$-1,1,\omega^{2}$

C:

$1,-1,\omega$

D:

None of these

View Solution Steps
When Akram entered the room, he was in a jubilant mood. The antonym of the highlighted word is:
Difficulty: Easy
A:

Penitent

B:

Serious

C:

Defeated

D:

Depressed

$A\cap B =B$ is only true, when
Difficulty: Easy
A:

$A\subseteq B$

B:

$A=\phi$

C:

$B\subseteq A$

D:

None of the above

View Solution Steps
Which of the following sequence has $r=0.5$?
Difficulty: Easy
A:

$1,1.5,2,2.5\space...$

B:

$2,4,8,16\space...$

C:

$256,128,64,32 \space...$

D:

None of these

View Solution Steps
A cell which produces electrical current by an oxidation reduction reaction is called:
Difficulty: Easy
A:
Electrolytic cell
B:
Voltaic cell
C:
Reversible cell
D:
Standard cell
Sodium can be obtained by:
Difficulty: Easy
A:
Electrolysis of acidified water
B:
Be heating NaCl and water 100°
C:
Electrolysis of molten sodium chloride
D:
Electrolysis of aqueous sodium chloride
Paradoxically, the more ______ the details this artist chooses, the better able she is to depict her fantastic, other-worldly landscapes
Difficulty: Easy
A:
superb
B:
fanciful
C:
illustrated
D:
realistic

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