Learn 100 questions from RRB Group D Shift 1 2022

RRB Group D Shift 1 2022 Questions

Statement-I: If a substance loses oxygen during a reaction, it is said to be reduced.

 Statement-II: If a substance gains hydrogen during a reaction, it is said to be reduced.

First attempt to study the size of atoms.

First attempt to relate the properties of elements with atomic mass.

First attempt to study the colour of elements.

First attempt to study the atomicity of molecules.

They are not soluble in an organic solvent.

They are bad conductors of electricity and heat

2 NaCl (aq) + 2 H2O (1)→2 NaOH (aq) + Cl2 (g) + H2 (g)

NaHCO3 + H+ CO2 + H2O + Sodium s ) + Cl2(g) + H2 (g) Sodium salt of acid

(a). For a lens the first principal focus is the position of the object whose image is at infinity

(b) For a lens the first principal focus is the position of the object whose image is formed at twice the focal length.

(c) For a lens the second principal focus is the position of the real image whose object is at infinity

(d) For a lens the second principal focus is the position of the object whose image is formed at twice the focal length

Avoid substituting CFL bulbs for standard incandescent bulbs

Solar cookers should be avoided at all costs.

. Avoid using public transportation or joining a carpool

Do not overuse air conditioning or heating systems

Helps to keep teenagers away from sexual abuse

Discouraging various myths and misconceptions

Knowing about their body changes, teenagers start making fun of each other

Knowledge about changes taking place during puberty

Statement 1: Dobereiner gave the law of triads.

 Statement II: Dobereiner tried to arrange the elements with different properties into groups, having three elements each.

Promotion of International peace and security

(i) Magnetic field strength is strongest at the centre of a bar magnet.

 (ii) No two magnetic field lines can intersect.

 (iii) Magnetic field lines always form closed continuous curves.

10490-9441=1049
1049/10490=0.1 x 100 =10%

A can counts 100/4 =25  eggs in 1min 
B can counts 100/5=20 eggs in 1 min
A and B can counts 25+20=45 eggs in 1 min
so 450/45=10 min

158 438 182 325 230
658 938 682 825 730
6/5  9/3  6/8  8/2 7/3

88 times are the hour and the minute hands of a clock at a right angle in a period of two days

A pair of interior angles on the same side of the transversal have the same measure.

A pair of corresponding angles have the same measure.

A pair of vertically opposite angles have the same measure.

A pair of alternate interior angles have the same measure.

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