How can I measure 3/4 of a cup? Fill a cup with the thing you want to measure. Pour or take out half of it into another cup(this is 1/2 cup,). Now from either of the cups take out half of the thing you are measuring(it is 1/4 cup) . Add this one fourth quantity […]
Is hydrogen h1 or H2?
Is hydrogen h1 or H2? Hydrogen, most abundant in the universe, is the chemical element with atomic number 1, and an atomic mass of 1.00794 amu, the lightest of all known elements. It exists as a diatomic gas (H2). Is H2 gas dangerous? A number of hydrogen’s properties make it safer to handle and use […]
Why is population increasing?
Why is population increasing? Not only the population itself was growing, but also the doubling time was decreasing, which basically means that growth itself was growing. This rapid growth increase was mainly caused by a decreasing death rate (more rapidly than birth rate), and particularly an increase in average human age. How can we prevent […]
How ions are formed?
What are the only two continents totally north of the equator?
What are the only two continents totally north of the equator? North American and Europe are the only two continents that are totally north of the Equator. Three different continents, South America and Asia and… Which two continents are spread over both hemisphere? While several of the world’s continents are traversed by the separation between […]
Will a car start with 9 volts?
Is there a max temperature in the universe?
Is there a max temperature in the universe? Certain cosmological models, including the one that has held sway for decades, the Standard Model, posit a theoretical highest temperature. It’s called the Planck temperature, after the German physicist Max Planck, and it equals about 100 million million million million million degrees, or 1032 Kelvin. How long […]
What is Archimedes Principle class 9th?
What is Archimedes Principle class 9th? Archimedes’ principle states that: “The upward buoyant force that is exerted on a body immersed in a fluid, whether partially or fully submerged, is equal to the weight of the fluid that the body displaces and acts in the upward direction at the center of mass of the displaced […]
How are cations removed from water?
How are cations removed from water? Water softeners remove cations (positively charged ions such as calcium and magnesium) and replace them with sodium. Anion exchange devices remove anions (negatively charged ions such as arsenic and nitrate) and replace them with chloride. Mixed media ion exchange units remove both cations and anions. What is cation used […]