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Chemistry Mock Test for all gov. exam [Specially RRB – Group D] -1

RRC Group D Free Mock Test 2021

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Chemistry Mock Test for all gov. exam [Specially RRB - Group D] -1

1 / 10

The number of electrons present in the outermost shell is called ....

RR Group -D 26-10-2018 (Shift-I)

2 / 10

An electron has a negative charge.

RRB Group-D 16-10-2018 (Shift-I)

RRB Group-D 01-12-2018 (Shift-I)10∧18

3 / 10

A solution contains 320 g of water with 36 g of salt. What will be the concentration of the solution in terms of mass  by mass percent?

RRB Group-D 12-10-2018 (Shift-II)

4 / 10

Which of the following metals is used in solar panel?

RRB Group-D 01-10-2018 (Shift-I)

5 / 10

Which of the following scientists suggested that the symbols of the elements are made up of one or two letters of the name of the element?

RRB Group -D 10-10-2018 (Shift-1)

6 / 10

How many atoms are present in the molecule of Ca(OH) ?

RRB Group-D 31-10-2018 (Shift-I)

7 / 10

How many atoms are present in the molecule of Ca(OH) ?

RRB Group-D 31-10-2018 (Shift-I)

8 / 10

Which postulate of Dalton's atom is the result of mass conservation law?

RRB JE 28.05.2019 (Shift-II)

9 / 10

Which of the following is an example of chemical change?

RRB NTPC 28.03.2016 (Shift-II) Stage I

10 / 10

In which of the following states of the matte molecules have maximum attraction force?

RRR Group-D 23-10-2018 (Shift-1)

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