Industrial preparation of $\mathrm{H_2SO_4}$ is by—

এই অধ্যায়ের আরও প্রশ্ন

• C-10-Q149In Contact method, step 1 is—
• C-10-Q150Catalyst used in Contact method is—
• C-10-Q151Optimum temperature in Contact method (catalytic chamber) is—
• C-10-Q152
• C-10-Q153Why is NOT directly absorbed in water?
• C-10-Q154is first absorbed in concentrated to form—
• C-10-Q155The formula of oleum is—
• C-10-Q156
• C-10-Q157Which property is NOT shown by dilute ?
• C-10-Q158Concentrated shows—