Today we will be studying chapter number: six, that is physical and chemical changes, part three, so children in my last two parts we have studied about what other chemical changes: Music, Music, which are the chemical Music. Now let us see more about this chapter. Yes, a practical shape. What is protective shape? Let […]
The element is, after all, the fuel of the stars and by far away is the most abundant element in the universe. Helium is the next most prevalent and together the amount to about 97 of the total abundance of all elements. But in our present discussion it is hydrogen gas h2, which is the […]
. If you are following the public conversation around climate change, then you know the focus has mostly been on reducing CO2 emissions, which is urgent., But if we wan na cool down the planet, we should also be paying attention to methane. Emissions. A new report from the Intergovernmental Panel on Climate Change, IPCC […]
Today we are going to study about the topic, pollution of air and water. You all know about pollution right pollution. A year is contaminated by unwanted substances, called what air pollution. Likewise, there may be water noise and many other pollution. Now we discuss about year, first, okay, so take page number, 2′, chapter […]
So it is both which of the following gas is released by automobiles: carbon monoxide, oxygen, hydrogen and nitrogen. So it is carbon monoxide. A windmill is used to produce electric energy, so it is chemical, energy, mechanical energy, electric energy. All of this, so from windmill we get electric energy influenza is caused by […]
We will talk about the chemistry of greenhouse gases and how they impact us and our planet. The sun’s radiations travel towards earth through space in the form of infrared radiation. Less than half of the radiation is reflected by by the atmosphere or absorbed by the clouds in the sky. Most of it reaches […]