Square root rules : Algebra rules for square roots are listed below. Square root rules are a subset of $n^{th}$ root and exponent rules. 1.$b = \sqrt{a}$ if both $b \geq 0$ and $b^2 = a$. 2.$\sqrt{a^2} = |a|$ 3. If $a \geq 0$ and $\sqrt{a^2} = a$ 4. $\sqrt{ab} = \sqrt{a}\sqrt{b}$ ... Read More

When acids react with metals, they produce a salt and hydrogen gas. Most metals react with acids, but not all. The general equation that describes the chemical reaction between an acid and metal is metal + acid = salt + hydrogen gas.Examples of metals that do not react with acids ... Read More

The vocal cords in our throat vibrate when we speak. These vibrations are felt when we keep our hands on our throat while speaking. In human, the sound is produced by the voice box (larynx)The voice box is at the upper end of the windpipe.Two vocal cords are stretched ... Read More

Given: Area of the square is $15625 cm^2$ To do: Find the dimension of a square Solution: Area of a square = $S^2$ Here, S is the side of the square. Area of a square =$15625.cm^2$ $S^2=15625$ $S=\sqrt{15625}$ $S =125 cm$ Therefore, the side of a square is 125 cm

We should separate our garbage in different dustbins because it is easier to separate and throw than to separate it afterwards. The risk of infection also decreases considerably if you separate the garbage before throwing.For example, if you throw broken glass and food particles into the same dustbin, then a ... Read More

Intermolecular forces are the forces that mediate the interaction between atoms, including forces of attraction or repulsion which act between atoms and other types of neighbouring particles, e.g. atoms or ions. Intermolecular forces are weak relative to intramolecular forces – the forces which hold a molecule together.

The equation- CaCO3 (s) -------> CaO (s) + CO2 (g) Calcium Carbonate -------> Calcium Oxide + Carbon DioxideIt is correctly balanced.

Given: x2 + 25 = 50To find: We have to find the value of x.Solution:  x2 + 25 = 50 x2 = 50 - 25 x2 = 25 x = √25 x = ±5

To find: We have to prove that if a number is tripled then its cube is 27 times the cube of the given number.Solution:Let the number be = a Now, Cube of a = a x a x a = a3 Tripling the number a = 3a Cube of 3a ... Read More

Line Segment:We join two points together to get a line segment. The line segment (ABABAB‾\overline{AB}AB) connects the points A and B. Line:If the line segment is extended beyond A in one direction and beyond B in the other direction without any end, then we get a line. The line is denoted ... Read More