What happened on India black day?

Jammu and Kashmir Black Day is an annual commemoration established in India by the Narendra Modi-led government on 22 October 2020 with the stated aim of highlighting Pakistan’s role in the 1947 Kashmir conflict, to term it as an invasion and a “Black Day.”.

Which day is celebrated on 23 October?

23 October – Mole Day

Mole Day is observed on 23 October every year. This day commemorates Avogadro’s Number which is a basic measuring unit in chemistry.

Why is there a Mole Day?

National Mole Day was created as a way to foster interest in chemistry, and schools throughout the United States and around the world celebrate with various activities related to chemistry and/or moles. For a given molecule, one mole is a mass (in grams) whose number is equal to the atomic mass of the molecule.

How big is a mole?

On average, moles grow to 4.4 to 6.25 inches (11.3 to 15.9 centimeters) long from snout to rump. Their tails add 1 to 1.6 inches (2.5 to 4 cm) of length. They typically weigh 2.5 to 4.5 ounces (72 to 128 grams), according to the Mammal Society (opens in new tab).

How much is a mole?

One mole of a substance is equal to 6.022 × 10²³ units of that substance (such as atoms, molecules, or ions). The number 6.022 × 10²³ is known as Avogadro’s number or Avogadro’s constant. The concept of the mole can be used to convert between mass and number of particles.. Created by Sal Khan.

What is BSc chemistry course?

BSc Chemistry focuses on the study of various branches of chemistry such as Inorganic Chemistry, Organic Chemistry, Physical Chemistry and Analytical Chemistry along with elective subjects like Analytical methods in Chemistry, Polymer Chemistry and Industrial Chemicals and Environment.

Who invented science?

Aristotle is considered by many to be the first scientist, although the term postdates him by more than two millennia. In Greece in the fourth century BC, he pioneered the techniques of logic, observation, inquiry and demonstration.

Who made physics?

Galileo Galilei was the founder of modern physics.

Who created biology? The science of biology was invented by Aristotle (384–322 BC). Before Aristotle, many Greek philosophers had speculated about the origins of the Earth and of Life, but their theorizing was unsupported by empirical investigation.

What is Happy Mole Day?

Mole Day is an unofficial holiday celebrated among chemists, chemistry students and chemistry enthusiasts on October 23, between 6:02 a.m. and 6:02 p.m., making the date 6:02 10/23 in the American style of writing dates.

What is National Chemistry Day?

NCW occurs annually during the third week of October, typically the same week as Mole Day. In 1986, George Pimentel, then ACS president, had an idea to better educate the public about the crucial role of chemistry in everyday life. ACS organized its first official National Chemistry Day on Nov. 6, 1987.

Which year is chemistry year?

The year 2011, now being celebrated as the International Year of Chemistry, also provides the opportunity to celebrate the contributions of women to science on the one-hundredth anniversary of the awarding of the Nobel Prize in Chemistry to Maria Sklodowska-Curie.

What are moles kids?

Moles are skin growths that happen when the pigment cells in the skin grow in a cluster, rather than being spread out across the skin. Moles are very common. Sometimes children have moles when they’re born.

Why do moles grow hair?

Because the normal skin cells that make up a mole are healthy, hair growth may continue as normal. The follicle produces the hair, not the actual mole. The hair then breaks through the surface of the mole just as it would through any other skin cell. It’s not unusual to see one or multiple hairs growing out of a mole.

How do freckles form? Freckles are small brown spots on your skin, often in areas that get sun exposure. In most cases, freckles are harmless. They form as a result of overproduction of melanin, which is responsible for skin and hair color (pigmentation). Overall, freckles come from ultraviolet (UV) radiation stimulation.

Are moles on face attractive? They are not just moles we consider them as beauty spots. If women are more expressive in their facial feelings, moles captivate men, facial moles are considered very attractive because : They are unique. You can’t compare charming of one mole with other.

Who started Mole Day?

The day originated around the 1980s when an article appeared in The Science Teacher. Later, a retired high school chemistry teacher, Maurice Oehler from Wisconsin, USA, drew inspiration from the article and founded the National Mole Day Foundation.

What is M in chemistry?

Molarity (M) is the amount of a substance in a certain volume of solution. Molarity is defined as the moles of a solute per liters of a solution. Molarity is also known as the molar concentration of a solution.

What do moles eat?

Moles are expert diggers that will consume up to 60 to 100% of their body weight in insects, grubs, and earthworms each day. This equates to a 5-ounce mole eating 50 pounds of its prey in a year.

Can you eat a mole?

But I was surprised to read that in Upper Wharfedale, Yorkshire, dried mole meat is a prized delicacy. According to Ten-inch Wheels, a Vespa-obsessed, London-based designer and blogger, it is the last place in the country to still have a “mole-drying industry,” with “a couple of dozen” drying frames dotting the Dale.

Can a mole be a pet?

Although there are a large variety of breeds, all moles have most of their basic traits in common. Moles are mammals and live in elaborate tunnel systems created with their excellent digging abilities. Known commonly as a garden pest, moles are not good pets and often die quickly in captivity.

Do moles have teeth?

Moles are not rodents and do not have characteristic rodent features such as large, sharp front teeth. Rather, they have sharp, pointed teeth (like a cat) used for catching and eating grubs and earthworms. Moles often come into conflict with homeowners when they burrow in yards.

Is BSc in chemistry good?

There is an immense scope of BSc Chemistry across the public as well as private sector. BSc Chemistry graduates can opt for government jobs in research and laboratories or can explore diverse career opportunities in the pharmaceutical and medical sector.

Where is U on the periodic table? Uranium- is a silver-fray metallic chemical element. Uranium is in the periodic table that has a symbol U and atomic number 92. It also has the highest atomic weight of the naturally occurring elements.