Positively charged particles (cations) move towards which electrode?

Cation exchange chromatography retains positively charged cations.

A

True

B

False

Negatively charged particles (anions) move towards which electrode?

A

Anode

B

Cathode

C

Anode & Cathode

D

None of the mentioned

Which of the following statements are true about anions and cations? Statement 1: In anions, the electrons are more than the protons. Statement 2: In cations, the electrons are less than the protons.

A

Statement 1 is true but statement 2 is false c) Statement 2 is true but statement 1 is false c) Statement 1 and statement 2, both are true d) Statement 1 and statement 2, both are false View Answer]

B

5. Which of the following statements are true about anions and cations? Statement 1: In anions, the electrons are more than the protons. Statement 2: In cations, the electrons are less than the protons. a) Statement 1 is true but statement 2 is false

C

Statement 2 is true but statement 1 is false [ Statement 1 and statement 2, both are true

D

Statement 1 and statement 2, both are false

Arrange these soluble cations (Na, Ca, K, Mg) in ascending order of abundance of soluble cations found in saline costal soils.

A

Na>Mg>Ca>K

B

Mg>Na>Ca>K

C

K>Mg>Ca>Na

D

Na>Mg>K>Ca

Arrange these soluble cations (Na, Ca, K, Mg) in ascending order of abundance of soluble cations found in saline water bodies.

A

Na > Mg > Ca > K

B

Mg > Na > Ca > K

C

K > Mg > Ca > Na

D

Na > Mg > K > Ca

A positively charged particle projected towards West is deflected towards North by a magnetic field. What is the direction of magnetic field?

A

Towards South

B

Towards East

C

Downward

D

Upward

When the negatively charged DNA combines with the positively charged histone octamer, which of the following is formed?

A

Nucleus

B

Nucleoid

C

Nucleosome

D

Nucleosome

The positively charged Zn+2 ion in the zinc finger interacts directly with the negatively charged phosphate in DNA.

A

True

B

False

Which electrode is used for measuring electrode potential as a standard electrode in galvanic series?

A

Hydrogen electrode

B

Calomel electrode

C

Oxygen electrode

D

Nitrogen electrode

A closed tank containing water is moving in a horizontal direction along a straight line at a constant speed. The tank also contains a steel ball and a bubble of air. If the tank is decelerated horizontally, then
i) the ball will move to the front
ii) the bubble will move to the front
iii) the ball will move to the rear
iv) the bubble will move to the rear
Find out which of the above statements are correct ?

A

(i) and (ii)

B

(i) and (iv)

C

(ii) and (iii)

D

(iii) and (iv)

Positively charged particles (cations) move towards which electrode?

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