Select the segment of the sentence that contains a grammatical error. If there is no error, mark 'No error'. Atoms consist in positively-charged protons, negatively-charged electrons and neutral particles called neutrons.

Segment CD is shorter than Segment MN, Segment MN is shorter than Segment TR, Segment AB is shorter than Segment CD and Segment MN is shorter than Segment PQ. Which segment is the shortest?

A

CD

B

MN

C

PQ

D

AB

Consider the following statements: a. Beta particles are negatively charged and are more penetrating than Alpha particles, which are positively charged. b. Gamma particles are neutral and are more penetrating than Beta-particles. c. In general neutral particles can be said to be having very high penetrating power.

A

a and b are universally true.

B

a and b are false but c is true.

C

c is resultant statement of a and b.

D

c is not resultant statement of a and b.

Which of the following are true for an element? (i) Number of protons of an atom determines its atomic number (ii) Mass of an atom resides in its orbits (iii) Protons and electrons make the nucleons (iv) Elements can be defined by the number of protons they possess

A

(i) and (iii)

B

(ii) and (iii)

C

(i) and (iv)

D

(ii) and (iv)

A sentence is divided into four segments marked A, B, C, D. Select the segment of the sentence that contains a grammatical error and mark the segment. If there is no error, mark ‘No error’ as your answer. The manager and owner (a) / of the firm (b) / expressed their views on the demands of the workers (c) /No error (d).

A

d

B

c

C

a

D

b

A sentence is divided into four segments marked A, B, C, D. Select the segment of the sentence that contains a grammatical error and mark the segment. If there is no error, mark ‘No error’ as your answer. Researchers observed(a) / that such phenomena(b) / has never been seen before (c) / No error (d)

A

d

B

c

C

a

D

b

A sentence is divided into four segments marked A, B, C, D. Select the segment of the sentence that contains a grammatical error and mark the segment. If there is no error, mark ‘No error’ as your answer. As per (a) / the current update,(b) / no summon has yet been issued from the Court (c) / No error (d).

A

c

B

d

C

a

D

b

Calcium has 20 electrons and 20 neutrons and Argon has 18 protons and 22 neutrons. What is similar between them?

A

Mass number

B

Number of valence electrons

C

Atomic number

D

Atomic mass

Atoms having the same number of neutrons, but different no of electrons or protons are called?

A

Isotones

B

Isotopes

C

Isobars

D

None of these

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

Which among the following happens in an oxidation reaction? A. Electrons are gained B. Electrons are lost C. Protons are gained D. Protons are lost

A

D

B

A

C

D

B

Select the segment of the sentence that contains a grammatical error. If there is no error, mark 'No error'. Atoms consist in positively-charged protons, negatively-charged electrons and neutral particles called neutrons.

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