Question

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Answer 1

Answer:

Similarities Both thermometers are used to measure temperature and both of them use mercury. Differences Clinical thermometer is used to measure human body temperature whereas laboratory thermometer is used to measure temperature of other object which has higher temperature than human body temperature.

Answer 2

Explanation:

1. As we know

  $s=\frac{d}{t}$

Note :- Don't forget to convert units into S.I Units

15 mins = 15 x 60 = 900 seconds

we can calculate distance by the above formula

now,

Speed = 2 m/s

Distance = ?

Time = 900 sec

$2=\frac{d}{900}$

d = 900 x 2

    = 1800 Meters or 1.8 Km

2. Turmeric is a good indicator of acids and bases. It turns red in bases whereas it is yellow in both acids and neutral solutions. When we mix turmeric to the three liquids, sodium hydroxide turns it into red so we conclude that it is a base. Hydrochloric acid and sugar solution keep turmeric in yellow colour.

3. i) Both are made of glass and consist of long narrow glass tube.

   ii) At one end both of them have a bulb.

  iii) Bulbs of both the thermometers consist of mercury.

I hope it helped you