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Total 134 questions found in this category.
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Subject
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Which of the following is the ore of Uranium?
Science
Chemistry
"Rock Salt" mainly consists of :
Science
Chemistry
"Sodium Carbonate" is commonly known as:
Science
Chemistry
Gas used in extinguishing fire is
Science
Chemistry
Polythene is made by the polymerisation of which of the following?
Science
Chemistry
Which of the following salt is known as 'green vitrol' ?
Science
Chemistry
What do you call a negatively charged particle?
Science
Chemistry
Which of the following is true related to 'cation'?
Science
Chemistry
What do you call a group of atoms acting as a single unit in a molecule?
Science
Chemistry
In which of the following blue litmus will turn into red?
Science
Chemistry
What do you call a base which is soluble in water?
Science
Chemistry
Which of the following is a mineral acid?
Science
Chemistry
Which of the following is a polysaccharide?
Science
Chemistry
What is the pH value of pure water?
Science
Chemistry
The gases used in different types of welding would include :
Science
Chemistry
The main gas causing the "green house" effect is :
Science
Chemistry
"Heavy water" is used in :
Science
Chemistry
Brass is an alloy of copper and __________
Science
Chemistry
Which of the following is the lightest chemical on the Earth ?
Science
Chemistry
"Electrons" were disdovered by
Science
Chemistry
The neutralization product of an acid and base is known as -------.
Science
Chemistry
When an acid is dissolved in water --------- are formed.
Science
Chemistry
Which of the following is a weak acid?
Science
Chemistry
Which of the following is a strong alkali?
Science
Chemistry
Soluble bases are known as --------.
Science
Chemistry
Which of the following gas was discovered by Henry Cavendish?
Science
Chemistry
Which of the following is a solvent for sulphur?
Science
Chemistry
Following elements are from halogen group. Find out the element which is solid among them?
Science
Chemistry
Which of the following show diatomic molecules?
Science
Chemistry
Which of the following element has no neutrons in its atom?
Science
Chemistry
What is the popular name of Magnesium Sulphate ?
Science
Chemistry
Which of the following elements is chemically both metal and non-metal ?
Science
Chemistry
Water used in the preparation of sugar solution is known as-------.
Science
Chemistry
Which of the following is a solute in common salt solution?
Science
Chemistry
Number of protons present in the nucleus of an atom is known as ---------.
Science
Chemistry
Which of the following is known as universal solvent?
Science
Chemistry
Which of the following elements is not a Metalloid ?
Science
Chemistry
In the Modern periodic table, elements are arranged in the order of their ______________________
Science
Chemistry
Eka - boron and Eka - aluminium are ______________
Science
Chemistry
Mendeleev's periodic law states that the properties of elements are the periodic function of their ____________
Science
Chemistry
Which of the following is not an isotope of hydrogen?
Science
Chemistry
Atomic number of an element is 17 and its mass number is 35. Find the number of neutrons present in it?
Science
Chemistry
What do you call if elements have same atomic number but with different mass numbers?
Science
Chemistry
What do you call the nucleons present in an atom?
Science
Chemistry
Rutherford discovered which of the following elementary particles of atom?
Science
Chemistry
Name the ore from which Aluminium is extracted?
Science
Chemistry
Which is the latest found chemical element of Periodic Table (till 2010) ?
Science
Chemistry
What is the total number elements present in the periodic table till 2010?
Science
Chemistry
Scientist Chadwick discovered the elementary particles of an atom called -------.
Science
Chemistry
Name the scientist who discovered electron particles of an atom?
Science
Chemistry
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