A glass chimney stops an oil lamp from smoking because:

A. It increases the supply of oxygen to the flame by convection
B. The heat produced ensures complete
C. Both to these
D. Neither of these

Submitted by: hamza

Related Mcqs:

In an oil lamp, the oil rises up in the wick due to?
A. Capillary action
B. Atmospheric pressure
C. Viscosity of oil
D. Change in temperature
Submitted by: Ashfaque Ali Khoso
Oil rises in a wick of oil lamp on account of a property of matter is called?
A. Angle of projection
B. Determines
C. Capillary action
D. Refraction of light
Submitted by: Mansoor Ahmed Suhag
Oil rises up to wick in a lamp because_____________?
A. Oil is very light
B. Oil is volatile
C. Diffusion of oil through the wick
D. Capillary action phenomenon
Submitted by: Hafeez Alam Saila
Which of the following conditions related to smoking involves damage to the alveoli sacs?
A. Lung Cancer
B. Atherosclerosis
C. Emphysema
D. Asthma
Submitted by: Mansoor Ul Haque
How does smoking cigarettes impact the red blood cells?
A. Decreases their ability to congeal
B. Decreases their ability to carry oxygen
C. Decreases their ability to reach their typical life duration
D. Decreases their ability to cleanse wounds
Submitted by: Mansoor Ul Haque
Glass is made of the mixture of______________?
A. Quartz and Mica
B. Sand and Salt
C. Sand and Silicates
D. None of these
Submitted by: Jack Sparrow
Which variety of glass is heat resistant?
A. Bottle glass
B. Flint glass
C. Hard glass
D. Pyrex glass
Submitted by: ABDUL HAYEE
The type of glass used in making lenses and prism is___________?
A. Pyrex glass
B. jena glass
C. Flintglass
D. Soft glass
Submitted by: Asad Ullah Afridi
Which of the following cannot be stored in glass bottle?
A. Aqua regia
B. HF
C. HCL
D. HBr
Submitted by: MUHAMMAD ALI
Which one of the following of glass can cut ultraviolet rays?
A. Jena Glass
B. Soda Glass
C. Pyrex Glass
D. Crookes Glass
Submitted by: Parvez Malik