Use app×
Join Bloom Tuition
One on One Online Tuition
JEE MAIN 2025 Foundation Course
NEET 2025 Foundation Course
CLASS 12 FOUNDATION COURSE
CLASS 10 FOUNDATION COURSE
CLASS 9 FOUNDATION COURSE
CLASS 8 FOUNDATION COURSE
0 votes
108 views
in Chemistry by (91.0k points)
closed by
Calcium metal is used to produce high vaccum because it
A. can remove water
B. can remove both `O_2` and `N_2`
C. is a good reductant
D. is highly electropositive

1 Answer

0 votes
by (83.4k points)
selected by
 
Best answer
Correct Answer - B
Calcium metal reacts with both oxygen and nitrogen and removes them.

Welcome to Sarthaks eConnect: A unique platform where students can interact with teachers/experts/students to get solutions to their queries. Students (upto class 10+2) preparing for All Government Exams, CBSE Board Exam, ICSE Board Exam, State Board Exam, JEE (Mains+Advance) and NEET can ask questions from any subject and get quick answers by subject teachers/ experts/mentors/students.

Categories

...