How many primary colors are there? three What are the 7 primary colors? What are the 7 primary colors? There are seven colors in the rainbow: red, orange, yellow, green, blue, indigo and violet. Why are primary colors so important? The colors red, green, and blue are classically considered the primary colors because they are […]
Why do masses attract each other?
Why do masses attract each other? Any object having some mass will attract another object having mass. this is because of gravity. When two objects ahving some mass are separated by some distance then force of gravity acts between them and tends to keep them close that means it is always attractive in nature. How […]
Why do we use displacement?
Why do we use displacement? It quantifies both the distance and direction of the net or total motion along a straight line from the initial position to the final position of the point trajectory. A displacement may be identified with the translation that maps the initial position to the final position. What’s the formula for […]
How long does a coffin last?
How long does a coffin last? Eventually these too will disintegrate, and after 80 years in that coffin, your bones will crack as the soft collagen inside them deteriorates, leaving nothing but the brittle mineral frame behind. But even that shell won’t last forever. A century in, the last of your bones will have collapsed […]
What precautions should be taken when working with hydrogen peroxide?
What precautions should be taken when working with hydrogen peroxide? In the event of exposure to hydrogen peroxide, seek medical attention and follow these first aid guidelines: Inhalation—Seek fresh air. Eye Contact—Remove contact lenses if present. Skin Contact—Flush skin with plenty of water and cover irritated skin with an emollient. Ingestion—Do NOT induce vomiting. Is […]
How many grammes makes 1kg?
Why can one put his her fingers beside the flame of a lit candle but not above the flame?
Does dissolved oxygen increase with temperature?
Does dissolved oxygen increase with temperature? First, the solubility of oxygen decreases as temperature increases ¹. This means that warmer surface water requires less dissolved oxygen to reach 100% air saturation than does deeper, cooler water. Third, dissolved oxygen will increase as pressure increases ¹. What are the important effects of temperature on aquatic organisms? […]
Is wanted formal know?
Is wanted formal know? People sometimes ask a question, then say, “Just wanted to ask” to indicate that they were only asking out of curiosity. At other times someone might preface a question with “I just wanted to ask, but…”, as a way of introducing the question. “May I know” is not idiomatic. It is […]
What height of water is supported by atmospheric pressure what height of mercury?
What height of water is supported by atmospheric pressure what height of mercury? 760 mm Why is water not used as barometric liquid? Solution. Water is not a suitable barometric liquid because: (i) The vapour pressure of water is high, so its vapours in the vacuum space will make the reading inaccurate. (ii) Water sticks […]