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Why must stirring rod be fire polished?
A stirring rod is fire polished to remove any sharp edges or rough surfaces that could potentially cause injury to the user or damage to the glassware being stirred. This process creates a smooth and sleek surface that is safe to handle and helps to prevent contamination during experiments.
The depth to which an inverted drinking glass must be pushed beneath the surface of water so that the volume of enclosed air is squeezed to half is?
The inverted drinking glass must be pushed to a depth where the water level inside the glass is halfway between the original water level and the top of the glass. This ensures that the volume of enclosed air is squeezed to half.
Is there such thing as a 1 way breakable glass?
Yes, there is a type of one-way breakable glass called tempered glass. Tempered glass is designed to shatter into small, relatively harmless pieces when broken, making it safer than regular glass. Once tempered glass is broken, it cannot be repaired and must be replaced.
What is the best precaution for carbon monoxide poisoning?
The most important are:- rooms must be ventilated- the fire must be controlled
What is Best precaution for carbon monoxide poisoning?
The most important are:- rooms must be ventilated- the fire must be controlled
Why must a glass tubing be fire polished before it is used?
Fire polishing the ends of tubes and rods made of glass seal small cracks, which help reduce the chance of fractures. This is especially important due to the sorts of harmful chemicals often placed within a glass tube.
Why must stirring rod be fire polished?
A stirring rod is fire polished to remove any sharp edges or rough surfaces that could potentially cause injury to the user or damage to the glassware being stirred. This process creates a smooth and sleek surface that is safe to handle and helps to prevent contamination during experiments.
How can a magnifying glass be used to make a fire?
the magnifying glass must be positioned so as to focus the light from the sun on a single point (ex. kindling), causing heat and hopefully, a small fire
How do change the rear side glass on a civic lx?
To change the rear side glass on a Civic the old glass must be removed from its adhesive. Using special edge tool separate the glass from the car. Do so around all the edges and remove the old glass. Be sure to use proper automobile glass glue on the replacement glass.
Do glass fireplace doors work better?
There are some glass doors for a fireplace, but you must make sure that the glass can withstand the heat of the fire. The glass door will prevent some heat from escaping, but not all. The glass door will not aid in keeping a room warm.
How are ball bearings polished?
Ball bearings are polished by using an abrasive cloth. Before the bearings can be polished, the polishing paste must first be applied to the ball bearing.
How do you burn card stock paper?
You take a lighter and (lightly and slowly) move the fire around the edges. You must do this from a little distance so just the tip of the fire is touching the paper so the card stock does not catch fire.
What is a pyramid with 13 edges called?
A pyramid cannot have 13 edges: it must have an even number of edges.
Must all the edges of a semiregular polyhedron be the same length?
must all edges of semiregular polyhedron be the same length
Why must you not make the stairs of your house well-polished and shiny?
Because it would be very likely someone could slip on the polished surface and fall !
Why must you not make the stairs of your house well polished and shiny?
Because it would be very likely someone could slip on the polished surface and fall !
What must happen for light to bounce back to see a reflection?
dey must strike on shiony or polished surfaces
