answersLogoWhite

0

What is the use of watchglass?

Updated: 9/19/2023
User Avatar

Wiki User

13y ago

Want this question answered?

Be notified when an answer is posted

Add your answer:

Earn +20 pts
Q: What is the use of watchglass?
Write your answer...
Submit
Still have questions?
magnify glass
imp
Related questions

Why is the beaker coverd with watchglass when heating the combine solutions of barium chloride and sodium sulfate solution on a waterbath?

protect the heat effect from the sun


How will you prepared n-butylamine hydrochloride from n-butylamine and HCl?

place small amount of dilute HCl on watchglass add butylamine one drop at a time Use indicator paper to determine when neutral., But remember to stir with glass rod in between drops. leave to evaporate in fume cupboard the end.


What is the major product of auto oxidation of benzaldehyde?

The major product of the autooxidation of benzaldehyde is a crystalline white precipitate of benzoic acid. When few drops of benzaldehyde is exposed to the atmosphere by using a watchglass, it is oxidized to form carboxylic acid salt.


How does a watchglass look like?

A watch glass is a little circle dish of glass or pyrex (heat-safe-glass). it is a smooth shallow concave (cup-like) plate. It is used to watch a little amount of solution evaporate, leaving behind a little pile of whatever was dissolved in it. Salt-water, for example, would dry to leave a little pile of salt in the middle.


How long can a candle burn under beakers of different sizes?

This delightfully simple experiment may be used to estimate the percentage of oxygen in the air. Assumption is that all the Oxygen is consumed. Mount candle on a small watchglass floating on water, light the candle, and place an inverted beaker over the whole to create a water seal. Measure the rise of the water inside the beaker.


Why starch indicator should be prepared freshly?

To prepare 1% starch indicator weigh 1g of starch powder.Measure 100ml of water and keep it for heating.by using some of 100ml water taken,make a paste of starch in watchglass and mix this paste with little and continuous strring of water which is kept for heating.when all the paste is added,allow for heating 5more minutes then starch indicator is ready for titration.Note:no lumps of starch should present in water


What are some of the scientific apparatus?

the scientific tools include field guides and dichotomous keys and they are used for one way you and scientists solve problems scientifically.


When to use me and you or you and i?

If you would use 'I' in the singular, then use 'you and I'. If you would use 'me', then use 'you and me'.


What do you use to work out equations on excel?

You use the formulas and functions.You use the formulas and functions.You use the formulas and functions.You use the formulas and functions.You use the formulas and functions.You use the formulas and functions.You use the formulas and functions.You use the formulas and functions.You use the formulas and functions.You use the formulas and functions.You use the formulas and functions.


Where is All of the imvu use codes?

they are mostly actions it has some moods CODES: *use 90-pacman *use 200-tresure chest *use 2001-banna *use 2044-cry *use 2050-oooh *use 2053-Puke *use 2061-Huh *use 2063-wassamatta *use 2064-yay *use 2066-Loser *use 2067-shocked *use2068-rocker *use 2072-Flip *use 2073-air guitar *use 2074-talk to the hand *use 2076-Burp *use 2078-Crazy *use 2082-bigyawn *use 2086-strong *use 2088-score *use 2090-wink *use 2091-HeadShake *use 2093-thums up *use 2097-Hmm *use 2098-candlestick *use 2103-old mood *use 2104-flirty mood *use 2105-bashful mood *use 2106-groovin mood *use 2107-peace *use 2108-fartarm *use 2109-terrifide mood *use 2110-tantrum


How do you do 1394 divided by 36?

38.7222


What might you use when you wash in the morning?

You might use a toothbrush. You might use soap. You might use a sponge. You might use a towel. You might use a facecloth. You might use a facewash. You might use water.