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Take about 2 g of barium …

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Take about 2 g of barium hydroxide in a test tube. Add 1 g of ammonium chloride and mix with help of a glass rod. Touch the bottom of test tube with your palm. What do you feel? Is this an exothermic reaction or endothermic reaction?

Posted by Priya Dg 4 years, 4 months ago

CBSE > Class 10 > Science

2 answers

Rithika Gautam 4 years, 4 months ago

It feels cold at the bottom of test tube because it absorb heat. It is an endothermic reaction.it is a correct answer

0Thank You

Good Day 4 years, 4 months ago

It feels cold at the bottom of test tube because it absorb heat. It is an endothermic reaction

5Thank You

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Posted by Pandey Ji 3 weeks, 1 day ago

CBSE > Class 10 > Science