100 likes | 114 Views
Acids, Bases, and salts is the crucial chapter of chemistry subject for the NTSE 2020 exam. If you want to get most important questions of this chapter, go through this presentation.
E N D
IMPORTANT NTSE QUESTIONS CBSE Class 10 Science Acids, Bases, and Salts Acids, Bases, and Salts
Acids, Bases, and Salts are the important chapter for the purpose of NTSE exam. Here You will find some important NTSE questions with solutions of this chapter. The questions are compiled by NTSE Guru team to help students.
Que1: Which one of the following oxides gives pink colour with phenolphthalein indicator in aqueous solution? (a) N2O (b) NO (c) CaO (d) CO2 Ans: (c) CaO
Que2: Strong electrolytes is – a) NH4OH b) Ca(OH)2 c) H2CO3 (d) NaCl Ans: (d) NaCl
Que3: Ammonium chloride is a salt of: (a) Weak Acid and Weak Base (b) Weak Acid and Strong Base (c) Strong Acid and Strong Base (d) Strong Acid and Weak Base Ans: (d) Strong Acid and Weak Base
Que 4: pH paper is separately dipped into 2 different solutions X and Y. Colour of pH paper turned pale green in X and blue in Y. X and Y are most probably: (a) X – water, Y – NaOH (b) X – NaOH, Y – H2O (c) X – HCl, Y – NaOH (d) X – NaOH, Y – HCl Ans: (a) X – water, Y – NaOH
Que 5: Why is gypsum added to cement? (a) To undergo a chemical reaction. (b) To dehydrate cement. (c) To slow down the initial setting of cement. (d) To make cement stronger. Ans:(c) To slow down the initial setting of cement.
NTSE Guru has brought important NTSE questions for NTSE aspirants helping to crack NTSE exam. NTSE GURU www.ntseguru.in FOR MORE QUE & ANS, VISIT OUR WEBSITE:
FACEBOOK YOUTUBE Get More updates related to NTSE preparation. Watch video lectures for NTSE exam preparation Social Media Platforms