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NTSE SAT Chemistry – 15 Questions in 15 Minutes

NTSE SAT Chemistry – 15 Questions in 15 Minutes

NTSE (National Talent Search Exam) for students is meant to identify and nurture talent. The NTSE exam is conducted every year at two levels: – Stage-I (State Level) and stage-II(National Level). About one thousand scholarships are awarded for different stages of education as follows:

  • Scholarship of Rs. 1250/- per month for class XI to XII.
  • Scholarship of Rs. 2000/- per month for undergraduates and postgraduates.

Generally, state level exam takes place in the month of November every year and notification come out in the month of September. The next level exam takes place in the month of May every year.

All students of Class X studying in recognized schools are eligible to appear for the stage-I examination. There will be no domicile restriction.

The examination will comprise these parts namely

  • Mental Ability Test (MAT)
  • Language Test (LT)
  • Scholastic Ability Test (SAT)

For the preparation of such a prestigious exam, Team of Kailasha Foundation will bring a series of quizzes. In NTSE quiz series, this is the fourth quiz of chemistry under the head SAT in NTSE.

Attempt the quiz and find out your score.

Note: In this quiz, for every right answer your will be awarded 4 marks and for every wrong answer minus one mark will be awarded. You have 15 minutes to attempt the quiz.

Welcome to NTSE SAT - Chemistry

1) A sample of pure water, irrespective of source, contains 88.89% oxygen and 11.11% hydrogen by mass. The data supports the
2) An example of a liquid metal is ......... and that of a liquid non-metal is ..........
3) The mass of sodium in 11.7 g of sodium chloride is
4) NOTE: Question 4 is based on the following equation:

CaCO3 + 2HCl ---> CaCl2 + H2O +CO2

The mass of calcium chloride formed when 2.5 g calcium carbonate are dissolved in excess of hydrochloric acid is
5) NOTE: Question 4 is based on the following equation:

CaCO3 + 2HCl ---> CaCl2 + H2O +CO2
The volume of CO2 gas formed when 2.5 g calcium carbonate are dissolved in excess of hydrochloric acid at 0and 1 atm pressure is [1 mole of any gas at 0 and 1 atm pressure occupies 22.414 volume]
6) In the following equations

Na2CO3 + xHCl ---> 2NaCl +CO2 + H2O

the value of x is
7) The number of gram-atoms in 8 g of He are
8) Which of the following contains the largest number of molecules?
9) Which of the following weighs the most?
10) A sample of ammonium phosphate (NH4)3PO4 contains 3.18 mole of hydrogen atoms. The number of moles of oxygen atoms in the sample is
11) When pentane, C5H12 is burned in excess oxygen the products of the reaction are CO2 (g) and H2O (l). The balanced equation for this combustion is

C5H12 (g) + xO2 (g) ---> 5CO2 (g) + 6H2O (l)

the coefficient (x) of oxygen should be
12) 33 L of H2 and 36.99 L of N2 are mixed at a certain temperature and pressure to prepare NH3. The volume of NH3 produced at same temperature and pressure is
13) The total number of valence electrons in 4.2 g of N3- ion, is (NA is the Avogadro number)
14) NTSE SAT
15) Volume at STP of 0.42 g of CO2 is the same as that of

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Can solve Maths and Science upto 10th standard. Good at English. Have studied Psychology too.

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