The Valency of Sodium Is 1. The Valency of Chlorine Is 1. Write the Formula of Sodium Chloride.
Given that, the valency of sodium is 1 and the valency of chlorine is 1. Therefore, the formula for sodium... View Article
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Write 5 Things Which Dissolve in Water and Which Do Not Dissolve in Water
5 things that dissolve in water: Salt Sugar Vinegar Coffee Lemon Juice 5 things that do not dissolve in water:... View Article
Differentiate Between a Balanced and a Skeletal Chemical Equation
In a balanced chemical reaction, the number of atoms in each element of a reactant side should be equal to... View Article
A hemispherical bowl of internal diameter 36 cm contains liquid. this liquid is filled into 72 cylindrical bottles of diameter 6 cm. find the height of each bottle, if 10% liquid is wasted in this transfer.
Sol: Given: Diameter = 36 cm Number of bottles – 72 Diameter = 6 cm If the Diameter = 6... View Article
Name The Hardest Non-Metal
Diamond is the hardest non-metal. Diamond is a solid form of pure carbon with its atoms arranged in a crystal.... View Article
Number Of Waves In Fourth Orbit (A) 1 (B) 2 (C) 3 (D) 4
The answer is (D) 4 Sol: Number of waves = circumference of electron orbit/wavelength = \(\begin{array}{l}frac{2π}{λ}\end{array} \) \(\begin{array}{l}λ = frac{h}{mv}\end{array}... View Article
Why Is Decomposition Of Vegetable Matter Into Compost Considered An Exothermic Reaction?
Exothermic reactions refer to the reactions in which energy is released, either in heat or light. The decomposition of vegetable... View Article
Structural Formula And Electron Dot Structure Of Chlorine.
Chlorine is the second lightest halogen and appears between fluorine and bromine in the periodic table. It is represented as... View Article
Why Is Water Considered A Compound
A compound is a chemical substance of many identical molecules composed of atoms from more than one element held together... View Article
When Nitrogen Reacts With Hydrogen Under High Temperature And Pressure, Ammonia Gas Is Formed. This Is An Example Of: (A) Physical Change (B) Chemical Composition (C) Chemical Decomposition (D) None Of These
The answer is (B) Chemical Composition. According to the chemical reaction: N2(g) + 3H2(g) \(\begin{array}{l}{rightarrow}\end{array} \) 2NH3(g) It is a... View Article
1.2G Of Mg (At Mass 24) Will Produce Mgo Equal To
1mol of Mg reacts to give 1 mol of MgO The total number of moles of Mg in 1.2g is... View Article
When Nitrogen Combines With Hydrogen Which Gas Is Evolved
When Nitrogen Combines With Hydrogen, ammonia (NH3) gas is evolved. Explore more such questions and answers at BYJU’S.
What Is Zeolite Softening Process?
The zeolite softening process is used for removing both the temporary and permanent hardness of the water by precipitating the... View Article
Study the reaction steps carefully and identify the products X (major) and Y respectively. CH3 CH2 CH3 + Br2—–> X —–> Y
On bromination, propane gives two monochloro substituted products. CH3CH2CH3 \(\begin{array}{l}overset{Br_{2}}{rightarrow} \end{array} \)CH3CH2CH2Br (Minor)\(\begin{array}{l}{rightarrow}\end{array} \) Br | CH3-CH -CH3(Major) Br |... View Article
The Specific Heat of Metal Is 0.16. Its Approximate Atomic Weight Would Be a)16 b)32 c)40 d)64
A correct answer is an option (C) 40 According to Dulong’s Petit law, Atomic weight x specific heat= 6.4 Therefore,... View Article
Differentiate Between Natural and Synthetic Fibres
The fibres which are obtained from plants and animals are called natural fibres. Examples of natural fibres are silk, jute,... View Article
Density of Water Is Maximum At
(A) -4°C (B) 0°C (C) 4°C (D) None of these The correct answer is an option (C) 4°C The density... View Article
Difference between coal and coke (5 points)
Coal is a lustrous, black fossil fuel that includes impurities, generates smoke, and generates less heat than coke when burned.... View Article
for the formation of 3.65g of HCL gas what volume of hydrogen gas and chlorine gas at stp are required
At mass of HCL is 36.5 And reaction is H2 + Cl2 = 2 HCL 1 mole of HCl require... View Article
Draw the electron dot structure of CH4
Methane is a gas made up of one carbon atom for every four hydrogen atoms. The four hydrogen atoms around... View Article
