Is respiration a chemical change? How?
aaravbansal714
Asked:
December 2022
Which would you prefer to keep you warm on a cold winter night: one thick woolen blanket or two thin woolen blankets joined together? Why?
aaravbansal714
Asked:
December 2022
define the term atomicity. Give two example each for monostomic and diatomic moleclues?
aaravbansal714
Asked:
December 2022
When magnesium is burned in air, a powdery ash X is formed. X on dissolving in water forms Y. i. What are X and Y. ii. What is the action of Y on litmus paper? iii. What conclusion do you get about the nature of Y from its action on...
aaravbansal714
Asked:
December 2022
An airplane is flying at the height of 7250m and a submarine is at the depth of 2220Evaluate: m. What is the vertical difference between their heights?
describe the respiratory system in humans.
setting of curd is regarded as a chemical change? Why?
aaravbansal714
Asked:
December 2022
What is stainless steel? How is stainless steel made? State an important property of stainless steel.
Find the sum of 5 by 9 and 8 by 3
aaravbansal714
Asked:
December 2022
When an object made of material P is kept immersed in the blue colour solution, then a chemical change takes place to form a green coloured solution R and a brown layer of substance S is deposited on the object. P is used for making nails and S is used...
aaravbansal714
Asked:
December 2022
2. Explain why, explosion of a firework (such as cracker) is said to be a chemical change.
aaravbansal714
Asked:
December 2022
What happens when magnesium oxide is dissolved in water? Explain with chemical equation.
aaravbansal714
Asked:
December 2022
Explain why burning of wood and cutting of wood into small pieces are considered as two different types of changes?
aaravbansal714
Asked:
December 2022
Explain why burning of wood and cutting of wood into small pieces are considered as two different types of changes?
Find 2 by 5 of 40 with proper explanation
why does the cut surface of brinjil turns brown?
Is respiration a chemical change? How?
Milk is sold at Rs 16 3/4 per litre .Find the cost of 6 2/5 litres of milk.
Milk is sold at Rs 16 3/4 per litre .Find the cost of 6 2/5 litres of milk. With proper explanation
Pls answer urgent 31 question no
aaravbansal714
Asked:
December 2022
The smallest number by which 294 must be multipled so that the product becomes a perfect square
aaravbansal714
Asked:
December 2022
the least perfect square exactly divisiable by each numbers 3 7 9 12 and 15 is