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Subject: Science, asked on 8/9/17

why are alcohol thermometers rare? please tell test

Subject: Science, asked on 3/9/17

Pl answer fast

Subject: Science, asked on 2/9/17

Can a calorimeter be used to measure the amount of heat evolved in a neutralisation reaction ?

Subject: Science, asked on 30/8/17

Give reasons,A brass tumbler feels much cooler than a wooden tray on a chilly day

Subject: Science, asked on 27/8/17

i am not able to understand this thing that if we dip a spoon having a 70 degrees temperatureinto hot water with temperature 40 degree
then why doesn,t the temperature increase with 40 plus 70 degrees that is 110 degrees .
why the temperature remains between 40 and 70 degrees .
why is it not like if we add hot to hot it becomes more hot and cold to cold it becomes more cold
please reply?

Subject: Science, asked on 23/8/17

when we blow a baloon and keep it near the candle it will burst and the candle will also blow.But if we fill the baloon with water and keep it near the candle baloon will not burst and the candle will also not blow.why?

Subject: Science, asked on 22/8/17

What is Least count? Write its Formula.

Subject: Science, asked on 15/8/17

How to find least count and please give a example.

Subject: Science, asked on 2/8/17

if there are 20 division between 2 bigger the value of small division  is equal to

Subject: Science, asked on 29/7/17

state two typrs ofphysical changes that may take place when a substance is heated

Subject: Science, asked on 18/7/17

Solve this:

Subject: Science, asked on 18/7/17

Solve this:

Subject: Science, asked on 14/7/17

Explain convection currents when a water is boiling with a proper diagram.

Subject: Science, asked on 7/7/17

​mass percentage of solute and mole fraction
Q.An aqueous solution of 0.667 M nitric acid has density 1.2 g cm-3. Calculate

Subject: Science, asked on 7/7/17

​?​

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