Tag: science & technology
Questions Related to science & technology
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11
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9
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8
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10
To solve this question, the user needs to have knowledge of our solar system and the number of planets in it.
Option A: This option is incorrect because there are only 8 planets in our solar system, not 11.
Option B: This option is correct. There are 9 planets in our solar system, including Mercury, Venus, Earth, Mars, Jupiter, Saturn, Uranus, Neptune, and the dwarf planet Pluto. However, in 2006, the International Astronomical Union (IAU) redefined the criteria for what constitutes a planet, and reclassified Pluto as a "dwarf planet." Therefore, there are currently only 8 planets in our solar system.
Option C: This option is incorrect because there are 8 planets in our solar system, not 11 or 8.
Option D: This option is incorrect because there are only 8 planets in our solar system, not 10.
The Answer is: C.
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Blue Whale
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Harald Blatand
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Harold Bleacher
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Bluetooth
To answer this question, the user needs to know the origin of the name "Bluetooth".
Option A, Blue Whale, is incorrect. The name Bluetooth is not derived from a blue whale.
Option B, Harald Blatand, is correct. Bluetooth technology is named after Harald Blatand, who was a 10th-century king in Denmark. Blatand means "Bluetooth" in English, and he was known for his ability to unite different tribes and nations, just as Bluetooth technology allows different devices to communicate with each other.
Option C, Harold Bleacher, is incorrect. The name Bluetooth does not have anything to do with Harold Bleacher.
Option D, Bluetooth, is incorrect. Bluetooth technology is not named after itself.
Therefore, the answer is: B. Harald Blatand.
What is the Greek name for metal Pottasium?
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Natrium
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Kalium
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Wofram
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Atrium
AI Explanation
To answer this question, we need to identify the Greek name for the metal potassium.
Option A) Natrium - This option is incorrect because natrium is the Latin name for sodium, not potassium.
Option B) Kalium - This option is correct. Kalium is the Greek name for the element potassium.
Option C) Wofram - This option is incorrect. Wofram is the German name for the element tungsten, not potassium.
Option D) Atrium - This option is incorrect. Atrium is not a valid Greek or Latin name for any metal.
The correct answer is B) Kalium. This option is correct because Kalium is the Greek name for the metal potassium.
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Hydrochloric acid
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Carbolic Acid
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Sulphuric Acid
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Acetic Acid
Worlds largest living rodent is
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Wild boar
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Guinea pig
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Capybara
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Meerkat
AI Explanation
To answer this question, you need to have knowledge about different types of rodents. Let's go through each option to understand why it is correct or incorrect:
Option A) Wild boar - This option is incorrect because a wild boar is not a rodent. It is a large mammal belonging to the pig family.
Option B) Guinea pig - This option is incorrect because a guinea pig is a small domesticated rodent, but it is not the largest living rodent.
Option C) Capybara - This option is correct. The capybara is indeed the largest living rodent. It is native to South America and can weigh up to 150 pounds (68 kilograms).
Option D) Meerkat - This option is incorrect because a meerkat is not a rodent. It is a small mongoose-like mammal native to southern Africa.
The correct answer is option C) Capybara. This option is correct because the capybara is the largest living rodent.
Silver Nitrate is commonly called as -
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Siver Caustic
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Nitrate Caustic
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Nitric Caustic
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Lunar Caustic
AI Explanation
To answer this question, we need to understand the common name for silver nitrate.
Option A) Silver Caustic - This option is incorrect because the common name for silver nitrate is not "Silver Caustic."
Option B) Nitrate Caustic - This option is incorrect because the common name for silver nitrate is not "Nitrate Caustic."
Option C) Nitric Caustic - This option is incorrect because the common name for silver nitrate is not "Nitric Caustic."
Option D) Lunar Caustic - This option is correct because the common name for silver nitrate is indeed "Lunar Caustic."
The correct answer is D) Lunar Caustic. This option is correct because "Lunar Caustic" is the common name for silver nitrate.
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Silver Nitrate
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Sodium Nitrate
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Pottasium Nitrate
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Calcium Nitrate
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Milkein
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Casein
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Malkein
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Kazien
To answer this question, the user needs to know about the components of milk protein.
The correct answer is:
B. Casein
Explanation:
Milk protein is made up of two main types of protein: casein and whey protein. Casein is the most abundant protein in milk, making up about 80% of the protein content. It is a slow-digesting protein that is often used in protein supplements. Milkein, Malkein, and Kazien are not correct names for milk protein.
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Oil Of Wintergreen
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Oil of Green Winter
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WinterOil of Vitriol
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Salicyline Oil
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Black Mamba
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Russel's Viper
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Gaboon Viper
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King Kobra
To solve this question, the user needs to have knowledge about different snake species and their reproductive behavior.
The snake species that nest and lay eggs and guard them until they hatch are called oviparous. The correct answer to this question is:
The Answer is: D. King Kobra
Explanation:
Out of the given options, King Kobra is the only oviparous snake species. The female King Kobra lays eggs in a nest made up of leaves and other debris, and she stays with the eggs, protecting them until they hatch. The incubation period for the eggs is around 60 days. In contrast, Black Mamba, Russel's Viper, and Gaboon Viper are all viviparous, which means they give birth to live young ones instead of laying eggs.