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For Competitive Exams

The common chemical used to purify muddy water to drinking water is

bleaching powder
potash alum
chlorine dioxide
Copper sulphate.
Additional Questions

Consider the following statements :

Assertion {A} : Reverse osmosis is used to purify water

Reason (R): It is a membrane technology filtration method that removes many types of large molecules and ions by applying pressure to the solution on one side of a selective membrane.
Now select your answer according to the coding scheme given below :

Answer

Match List I with List II correctly and select your answer using the codes given
below :

List I -List II

a)Wayne Roony 1.Brazil

b)Christian2. RonaldoArgentina

c)Maradona 3.The Netherlands

d)Ronaldinho 4.England.

Codes :

Answer

Arrange in chronological order :

1. Dr. A. P. J. Abdul Kalam

II.Dr. Shankar Dayal Sharma

III.K. R. Narayanan

iv.P. Venkataraman.

Of these

Answer

Among the following which is not related to Industrial Development and Finance ?

Answer

Which of the following oil companies is not a public sector company?

Answer

Which of the following fund(s) is/are operated directly from the Prime Minsters Office ?

I.The Prime Ministers National Relief Fund ( PMNRF }.

II.National Defence Fund ( NDF ).

of these

Answer

Haemoglobin is the pigment useful to transport gases. They are present in Red Blood cells. Identify the animal which has blood without pigments.

Answer

Match List I with List II correctly and select your answer using the codes given below :

List I - List 11

(Rivers ) ( Origin )

a)Mahanadi 1.Nasik Hills

b)Periyar 2.Mahabaleswar hills

c)Godavari 3.Amarkantak

d)Krishna 4.Cardamon hills.

Codes :

Answer

Match List I with List II correctly and select your answer using the codes given below :

List I - List II

a)Cholera 1.Fungi

b)African sleeping sickness 2.Virus

c)Phlegm 3.Bacteria

d)Dandruff 4.Protozoa.

Codes :
c) 2 1 3 4

Answer

In Tamil Nadu the most windforms are with districts of

Answer
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