NTSE SAT Chemistry Papers 03

This is NTSE SAT Chemistry Papers 03 .. There are 15 questions in this test with each question having around four answer choices.

Questions & Answers

Which of the following is not a suspension?

A
Aluminium paint
B
Muddy water
C
Dust storm
Correct
D
Milk

The number and type of bonds between carbon atoms in \(Ca{C_2}\)are:

A
One Sigma \(\left( \sigma \right)\)and two pi \(\left( \pi \right)\)bond
B
One Sigma \(\left( \sigma \right)\)and one pi \(\left( \pi \right)\)bond
C
One Sigma \(\left( \sigma \right)\)and one half pi \(\left( \pi \right)\)bond
D
Two Sigma \(\left( \sigma \right)\)bond and one pi \(\left( \pi \right)\)bond
Correct

Boiling point of water is

A
\(373^\circ K\)
Correct
B
\(0^\circ K\)
C
\(100^\circ K\)
D
\(273^\circ K\)

The Process by which a mixture of Sodium Chloride and Ammonium Chloride can be separated, is called-

A
Sublimation
Correct
B
Chromatography
C
Distillation
D
Evaporation

The formula of Ammonium Sulphate is-

A
\(N{H_4}S{O_4}\)
B
\(N{H_4}{(S{O_4})_2}\)
C
\({(N{H_4})_2}S{O_4}\)
Correct
D
\(N{H_4}{(S{O_2})_4}\)

Isotopes of an element have-

A
Different Chemical Properties
B
Different No. of Neutrons
Correct
C
Same Physical Properties
D
Different Atomic Number

A brown and bright element ‘x’ when heated in presence of air turns in to black substance ‘y’. If Hydrogen gas is passed over this heating material again ‘x’ is obtained ‘x’ ad ‘y’ are

A
Na and NaH
B
Cu and CuO
Correct
C
C and \(C{O_2}\)
D
S and \(S{O_2}\)

\({P_H}\)of any neutral solution is-

A
7
Correct
B
14
C
0
D
1

A non-metal, which is found in liquid state is-

A
Iodine
B
Oxygen
C
Carbon
D
Bromine
Correct

The \({P_H}\)of a solution which turns red litmus Blue will be-

A
9
Correct
B
5
C
4
D
1

Which of the following is correct electronic configuration of Argon-

A
2, 8, 1
B
8, 2, 8
C
2, 8, 8
Correct
D
2, 8

Element ‘x’ which is solid and having high melting point, form a Chloride \('x\,\,C{l_3}'\). The element ‘x’ would be in which group of Periodic table-

A
Si
Correct
B
Mg
C
Na
D
Al

Methane with the Molecular formula \(C{H_4}\)has

A
6 Covalent bonds
B
4 Covalent bonds
Correct
C
8 Covalent bonds
D
2 Covalent bonds

On addition of which metal the blue coloured copper sulphate solution turns into colourless solution?

A
Au
B
Zn
Correct
C
Hg
D
Ag

IUPAC name of the first member of homologous series of ketones is

A
Propanol
B
Mehanone
C
Propanone
Correct
D
Ethanone