MCQsDrive | MCQsDrive

Chemistry 1488 MCQs [All-Courses]

oost your exam preparation with our Chemistry MCQs designed for PPSC, FPSC, NTS, OTS, PTS, AJKPSC, BPSC, KPPSC, PMS, CSS, and all competitive exams.
Our content covers Basic Chemistry, Atomic Structure, Periodic Table, Chemical Reactions, Acids & Bases, Organic Chemistry, and everyday chemical concepts.

Milikan used ______________ in his atomizer?

A Milk

B Honey

C Oil

D Water

Review Detailed Answer

Correct Answer: Oil

List of elements based on hydrogen scale is called________________?

A periodic table

B groups

C periods

D electrochemical series

Review Detailed Answer

Correct Answer: electrochemical series

Electronic configuration of K is_________________?

A [Ar]4s2

B [Ar]4s1

C [Kr]5s1

D [He]2s1

Review Detailed Answer

Correct Answer: [Ar]4s1

Chemical used in salt bridge is________________?

A KOH

B KCI

C KNO3

D KBr

Review Detailed Answer

Correct Answer: KCI

Space around nucleus where finding probability of electrons is maximum is called ____________________?

A Orbital

B Orbit is elliptical

C subshell

D Electron cloud

Review Detailed Answer

Correct Answer: Orbital

H2 gas in SHE is filled at pressure of___________________?

A 760mm of Hg

B 750mm of Hg

C 780mm of Hg

D 800mm of Hg

Review Detailed Answer

Correct Answer: 760mm of Hg

Atom with higher atomic number produces X-rays of__________________?

A Shorter wavelength

B Larger wavelength

C X-ray not produced

D All are possible

Review Detailed Answer

Correct Answer: Shorter wavelength

Voltaic cell can be recharged by______________?

A by addition of fresh solution

B by replacing external circuit with external source of electricity

C by removal of solution

D by heating it

Review Detailed Answer

Correct Answer: by replacing external circuit with external source of electricity

When electrons collide with heavy metals than ___________ are produced?

A Beta-rays

B Alpha-rays

C X-rays

D Gamma-rays

Review Detailed Answer

Correct Answer: X-rays

Zn(s)/Zn+2(aq) 1M | | Cu+2(aq) 1M/Cu(s) is representation of reaction in______________?

A Daniel cell

B Downs cell

C Voltaic cell

D Nelsons cell

Review Detailed Answer

Correct Answer: Voltaic cell

Showing 571 to 580 of 1488 results

Contact Info

Chemistry 1488 MCQs [All-Courses]

All Topics 1488

All Topics 1488

Milikan used ______________ in his atomizer?

List of elements based on hydrogen scale is called________________?

Electronic configuration of K is_________________?

Chemical used in salt bridge is________________?

Space around nucleus where finding probability of electrons is maximum is called ____________________?

H2 gas in SHE is filled at pressure of___________________?

Atom with higher atomic number produces X-rays of__________________?

Voltaic cell can be recharged by______________?

When electrons collide with heavy metals than ___________ are produced?

Zn(s)/Zn+2(aq) 1M | | Cu+2(aq) 1M/Cu(s) is representation of reaction in______________?