What is the product formed when Na2O is heated at 400°C?
When Na2O is heated at 400°C it produces sodium peroxide and sodium. It is a highly exothermic reaction. The balanced... View Article
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Define silo
The silos are the huge containers that are used to store grains. These helps in protecting the grains from natural... View Article
A square plat of side X cm is 8mm thick .if it’s volume is 2880cm^3 ,find the value of X
Given Volume of the plate = Area of the square plate × thickness =2880cm3 Side = x cm We need... View Article
explain electric generator
The electric motor, generator, and transformers all work on the principle of electromagnetic induction. The electric motor converts electrical energy... View Article
Find 3 irrational numbers between sq.rt 2 and sq.rt 3.
3 irrational numbers between √2 and √3 are: We know that √2 = 1.414 √3= 1.732 So the numbers between... View Article
How is agriculture aggravating the problem of water scarcity?
Agriculture is aggravating the problem of water scarcity in the following ways: Water is the basic unit for agriculture Hyv... View Article
Once silkworm produce of cocoon, they are immediately transferred to boiling water
Once silkworm produces of cocoon, they are immediately transferred to boiling water because it softens the upper layer and also... View Article
Rearing of honeybees is called Agriculture Horticulture Pisciculture agriculture
Rearing of honeybees is called apiculture. The bees are bred commercially in apiaries. Apiary is an area where a large... View Article
What is companion cell and phloem fibers
Phloem tissue helps in the transportation of food all through the plant. Companion cells: To check the activity of the... View Article
If some leaves were plucked and iodine test was performed on them.what would be the result?
If some leaves were plucked and iodine test was performed on them it shows the presence of starch. The experiment... View Article
Five rational number between 1 and2
Given two numbers 1 and 2 We need to find a rational number between 1 and 2 Solution Let the... View Article
Write the number name of each in the Indian & International system of numeration: a) 90703006 b) 37502093
Answer: A numeral system is defined as a writing system to express the number in a consistent manner. The main... View Article
What are the functions of stomata in the leaf
Stomata are the tiny pores on the leaves which play a major role in the exchange of gases. The intake... View Article
Is an atom divisible or indivisible?
An atom is defined as the smallest individual particle of a matter. Atom was the indivisible particle up till Dalton’s... View Article
What is commutative property?
The main properties in mathematics are Commutative Closure Distributive Commutative Property The commutative property or commutative law, when two numbers are added... View Article
Why do we boil the leaf in alcohol when we are testing it for starch?
Starch is a white, powdery substance consisting of glucose which is used by plants as food. The presence of starch... View Article
Use Euclid’s division lemma to show that the square of any positive integer is either of the form 3m or 3m+1 for some integer m.
Answer: Let us consider a positive integer a Divide the positive integer a by 3, and let r be the... View Article
Why do we need food?
Food is one of the basic components of our life. Importance of food It provides all the basic vital nutrients... View Article
What is mean by Reproduction?
The process in which organisms give birth to new organisms of the same kind is called reproduction. Asexual and sexual... View Article
Solve: (2.5× 0.5) ( +1.3×. 0.3) – ( 1.4× 0.2)
Given: (2.5× 0.5)( +1.3×. 0.3)-( 1.4× 0.2) Will solve the brackets first (1.25)(0.39)-(0.28) According to BODMAS Brackets and then multiplication... View Article
