Chemistry Mcqs Online Test Preparation With Answers

Chemistry Mcqs

Table of Contents

Chemistry Mcqs Online Test Preparation With Answers

What are cathode rays?
A. A beam of electrons emitted from the anode of a high-vacuum tube.
B. A beam of electrons emitted from the cathode of a low-vacuum tube.
C. A beam of electrons emitted from the cathode of a high-vacuum tube.
D. a beam of electrons emitted from the anode of a low-vacuum tube.

What color of fluorescence is produced when cathode rays strike the walls of glass tube?
A. Green
B. Black
C. Yellow
D. Red

Cathode rays were produced in discharged tube at
A. Low voltage
B. High Voltage
C. Ordinary Voltage
D. No voltage

In which direction, cathode rays travel in discharge tube?
A. Perpendicular to surface of cathode
B. Horizontal to surface of cathode
C. Diagonal to surface of cathode
D. Spread on surface of cathode

In cathode rays, e/m values
A. Depend upon nature of gas
B. Do not depend upon nature of gas
C. Depends on amount of air
D. None of the Above

When Alumina placed in path of cathode rays, it glows
A. Black
B. Green
C. Blue
D. Red

When tin stone placed in cathode rays, tin glows
A. Blue
B. Black
C. Green
D. Yellow

Cathode rays have _ effect
A. Reducing
B. Oxidizing
C. Catalysing
D. Hydrolysing

Free neutron decays into
A. Electron and Neutrino
B. Proton and Neutrino
C. Electron, Proton and Neutrino
D. None of the Above

Leave a Comment

Your email address will not be published. Required fields are marked *

Scroll to Top