Which molecule is nonpolar and has a symmetrical shape?
Among the given options, CH4 is a non polar molecule with symmetrical tetrahedral shape.
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Which element is not a part of a nitrogenous base?
A nitrogenous base is an element that contains nitrogen that have same chemical properties of the base.
What will come in the place of question mark (?) in the following question (You do not have to calculate the exact value)?
53.01 - 345.02 ÷ 22.99 = 2 ×(?)
Ans. 53 - 345 ÷ 23 = 2 ×(?)53 - 15 = 2 ×(?)38 = 2 ×(?)? = 19
Through specialization and international trade, a nation
What reacts with oxygen to produce rust?
Iron reacts with oxygen in the presence of moisture or water to form a red oxide called rust and the reaction involved is called as Redox reaction.
India holded its first-ever global tourism mart in which city?
India hold its first-ever lobal tourism mart at Vigyan Bhawan, New Delhi from september 16-18. It is modelled on the ITB Berlin, the world's largest tourism trade fair.
One billionth of a second is called
A nanosecond (ns) is an SI unit of time equal to one thousand-millionth of a second or one billionth of a second.
Which is an example of a physical change?
In all the above given options, there is no chemical change or reactions takes place only the shape or physical state is changed.
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